1252102051 has 4 divisors (see below), whose sum is σ = 1275726672. Its totient is φ = 1228477432.

The previous prime is 1252102031. The next prime is 1252102067. The reversal of 1252102051 is 1502012521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1252102051 - 2⁷ = 1252101923 is a prime.

It is a super-2 number, since 2×1252102051² = 3135519092236813202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1252102001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11812231 + ... + 11812336.

It is an arithmetic number, because the mean of its divisors is an integer number (318931668).

Almost surely, 2^1252102051 is an apocalyptic number.

1252102051 is a deficient number, since it is larger than the sum of its proper divisors (23624621).

1252102051 is an equidigital number, since it uses as much as digits as its factorization.

1252102051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23624620.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1252102051 is about 35385.0540624145. The cubic root of 1252102051 is about 1077.8208377355.

Adding to 1252102051 its reverse (1502012521), we get a palindrome (2754114572).

The spelling of 1252102051 in words is "one billion, two hundred fifty-two million, one hundred two thousand, fifty-one".