1258890372 has 72 divisors (see below), whose sum is σ = 3495360960. Its totient is φ = 380255040.

The previous prime is 1258890337. The next prime is 1258890401. The reversal of 1258890372 is 2730988521.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24279 + ... + 55742.

It is an arithmetic number, because the mean of its divisors is an integer number (48546680).

Almost surely, 2^1258890372 is an apocalyptic number.

1258890372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1258890372 is an abundant number, since it is smaller than the sum of its proper divisors (2236470588).

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

1258890372 is a wasteful number, since it uses less digits than its factorization.

1258890372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80073 (or 80068 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 1258890372 is about 35480.8451421327. The cubic root of 1258890372 is about 1079.7651444055.

The spelling of 1258890372 in words is "one billion, two hundred fifty-eight million, eight hundred ninety thousand, three hundred seventy-two".