1252026145260 has 576 divisors, whose sum is σ = 4481756697600. Its totient is φ = 279543398400.

The previous prime is 1252026145219. The next prime is 1252026145261. The reversal of 1252026145260 is 625416202521.

1252026145260 is a `hidden beast` number, since 1 + 2 + 520 + 26 + 1 + 4 + 52 + 60 = 666.

It is a super-2 number, since 2×1252026145260² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1252026145261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 332188656 + ... + 332192424.

It is an arithmetic number, because the mean of its divisors is an integer number (7780827600).

Almost surely, 2^{1252026145260} is an apocalyptic number.

1252026145260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1252026145260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2240878348800).

1252026145260 is an abundant number, since it is smaller than the sum of its proper divisors (3229730552340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1252026145260 is a wasteful number, since it uses less digits than its factorization.

1252026145260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4022 (or 4017 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 1252026145260 in words is "one trillion, two hundred fifty-two billion, twenty-six million, one hundred forty-five thousand, two hundred sixty".