1260012572 has 48 divisors (see below), whose sum is σ = 2740823232. Its totient is φ = 493516800.

The previous prime is 1260012571. The next prime is 1260012581. The reversal of 1260012572 is 2752100621.

It is a super-4 number, since 4×1260012572⁴ (a number of 38 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260012571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19628 + ... + 53900.

It is an arithmetic number, because the mean of its divisors is an integer number (57100484).

Almost surely, 2^1260012572 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1260012572, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1370411616).

1260012572 is an abundant number, since it is smaller than the sum of its proper divisors (1480810660).

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

1260012572 is a wasteful number, since it uses less digits than its factorization.

1260012572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34398 (or 34396 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 1260012572 is about 35496.6557861441. The cubic root of 1260012572 is about 1080.0858905171.

The spelling of 1260012572 in words is "one billion, two hundred sixty million, twelve thousand, five hundred seventy-two".