1252961969 has 16 divisors (see below), whose sum is σ = 1472996736. Its totient is φ = 1043280000.

The previous prime is 1252961959. The next prime is 1252961971. The reversal of 1252961969 is 9691692521.

It is not a de Polignac number, because 1252961969 - 2⁸ = 1252961713 is a prime.

It is a super-2 number, since 2×1252961969² = 3139827391520713922, which contains 22 as substring.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 175469 + ... + 182469.

It is an arithmetic number, because the mean of its divisors is an integer number (92062296).

Almost surely, 2^1252961969 is an apocalyptic number.

It is an amenable number.

1252961969 is a deficient number, since it is larger than the sum of its proper divisors (220034767).

1252961969 is an equidigital number, since it uses as much as digits as its factorization.

1252961969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7736.

The product of its digits is 524880, while the sum is 50.

The square root of 1252961969 is about 35397.2028414676. The cubic root of 1252961969 is about 1078.0675230175.

The spelling of 1252961969 in words is "one billion, two hundred fifty-two million, nine hundred sixty-one thousand, nine hundred sixty-nine".