1252167969 has 16 divisors (see below), whose sum is σ = 1806060032. Its totient is φ = 767104128.

The previous prime is 1252167941. The next prime is 1252167977. The reversal of 1252167969 is 9697612521.

It is not a de Polignac number, because 1252167969 - 2⁹ = 1252167457 is a prime.

It is a super-2 number, since 2×1252167969² = 3135849245179169922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252167919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63292 + ... + 80685.

It is an arithmetic number, because the mean of its divisors is an integer number (112878752).

Almost surely, 2^1252167969 is an apocalyptic number.

It is an amenable number.

1252167969 is a deficient number, since it is larger than the sum of its proper divisors (553892063).

1252167969 is a wasteful number, since it uses less digits than its factorization.

1252167969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144216.

The product of its digits is 408240, while the sum is 48.

The square root of 1252167969 is about 35385.9854886083. The cubic root of 1252167969 is about 1077.8397516750.

The spelling of 1252167969 in words is "one billion, two hundred fifty-two million, one hundred sixty-seven thousand, nine hundred sixty-nine".