1252162051 has 8 divisors (see below), whose sum is σ = 1431567104. Its totient is φ = 1072888200.

The previous prime is 1252162031. The next prime is 1252162061. The reversal of 1252162051 is 1502612521.

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

It is a cyclic number.

It is not a de Polignac number, because 1252162051 - 2⁵ = 1252162019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252162001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11415 + ... + 51328.

It is an arithmetic number, because the mean of its divisors is an integer number (178945888).

Almost surely, 2^1252162051 is an apocalyptic number.

1252162051 is a deficient number, since it is larger than the sum of its proper divisors (179405053).

1252162051 is an equidigital number, since it uses as much as digits as its factorization.

1252162051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65601.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 1252162051 is about 35385.9018678343. The cubic root of 1252162051 is about 1077.8380536425.

Adding to 1252162051 its reverse (1502612521), we get a palindrome (2754774572).

The spelling of 1252162051 in words is "one billion, two hundred fifty-two million, one hundred sixty-two thousand, fifty-one".