1252986956170 has 32 divisors (see below), whose sum is σ = 2330905973760. Its totient is φ = 484449006720.

The previous prime is 1252986956131. The next prime is 1252986956171. The reversal of 1252986956170 is 716596892521.

It is a junction number, because it is equal to n+sod(n) for n = 1252986956099 and 1252986956108.

It is not an unprimeable number, because it can be changed into a prime (1252986956171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2148667 + ... + 2668846.

It is an arithmetic number, because the mean of its divisors is an integer number (72840811680).

Almost surely, 2^{1252986956170} is an apocalyptic number.

1252986956170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1252986956170 is a deficient number, since it is larger than the sum of its proper divisors (1077919017590).

1252986956170 is a wasteful number, since it uses less digits than its factorization.

1252986956170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818390.

The product of its (nonzero) digits is 16329600, while the sum is 61.

The spelling of 1252986956170 in words is "one trillion, two hundred fifty-two billion, nine hundred eighty-six million, nine hundred fifty-six thousand, one hundred seventy".