1252616402 has 8 divisors (see below), whose sum is σ = 1922620656. Its totient is φ = 611742852.

The previous prime is 1252616381. The next prime is 1252616429. The reversal of 1252616402 is 2046162521.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7282568 + ... + 7282739.

It is an arithmetic number, because the mean of its divisors is an integer number (240327582).

Almost surely, 2^1252616402 is an apocalyptic number.

1252616402 is a deficient number, since it is larger than the sum of its proper divisors (670004254).

1252616402 is a wasteful number, since it uses less digits than its factorization.

1252616402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14565352.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 1252616402 is about 35392.3212293288. The cubic root of 1252616402 is about 1077.9684035381.

Adding to 1252616402 its reverse (2046162521), we get a palindrome (3298778923).

The spelling of 1252616402 in words is "one billion, two hundred fifty-two million, six hundred sixteen thousand, four hundred two".