1258295292 has 72 divisors (see below), whose sum is σ = 3354674960. Its totient is φ = 396576000.

The previous prime is 1258295287. The next prime is 1258295303. The reversal of 1258295292 is 2925928521.

It is a happy number.

1258295292 is a `hidden beast` number, since 12 + 582 + 9 + 52 + 9 + 2 = 666.

It is a congruent 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, 417792 + ... + 420792.

Almost surely, 2^1258295292 is an apocalyptic number.

1258295292 is a gapful number since it is divisible by the number (12) 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 1258295292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1677337480).

1258295292 is an abundant number, since it is smaller than the sum of its proper divisors (2096379668).

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

1258295292 is a wasteful number, since it uses less digits than its factorization.

1258295292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3643 (or 3638 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 1258295292 is about 35472.4582176088. The cubic root of 1258295292 is about 1079.5949818752.

The spelling of 1258295292 in words is "one billion, two hundred fifty-eight million, two hundred ninety-five thousand, two hundred ninety-two".