1258122490470 has 96 divisors (see below), whose sum is σ = 3290201800704. Its totient is φ = 333546120000.

The previous prime is 1258122490447. The next prime is 1258122490511. The reversal of 1258122490470 is 740942218521.

1258122490470 is a `hidden beast` number, since 1 + 2 + 58 + 122 + 4 + 9 + 0 + 470 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15030835 + ... + 15114305.

It is an arithmetic number, because the mean of its divisors is an integer number (34272935424).

Almost surely, 2^{1258122490470} is an apocalyptic number.

1258122490470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1258122490470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1645100900352).

1258122490470 is an abundant number, since it is smaller than the sum of its proper divisors (2032079310234).

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

1258122490470 is a wasteful number, since it uses less digits than its factorization.

1258122490470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84458 (or 84455 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 1258122490470 in words is "one trillion, two hundred fifty-eight billion, one hundred twenty-two million, four hundred ninety thousand, four hundred seventy".