1252961958 has 8 divisors (see below), whose sum is σ = 2505923928. Its totient is φ = 417653984.

The previous prime is 1252961933. The next prime is 1252961959. The reversal of 1252961958 is 8591692521.

It is a sphenic number, since it is the product of 3 distinct primes.

1252961958 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1252961959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104413491 + ... + 104413502.

It is an arithmetic number, because the mean of its divisors is an integer number (313240491).

Almost surely, 2^1252961958 is an apocalyptic number.

1252961958 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1252961958 is a wasteful number, since it uses less digits than its factorization.

1252961958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208826998.

The product of its digits is 388800, while the sum is 48.

The square root of 1252961958 is about 35397.2026860881. The cubic root of 1252961958 is about 1078.0675198626.

The spelling of 1252961958 in words is "one billion, two hundred fifty-two million, nine hundred sixty-one thousand, nine hundred fifty-eight".