1253305076 has 48 divisors (see below), whose sum is σ = 2408136192. Its totient is φ = 568166400.

The previous prime is 1253305069. The next prime is 1253305103. The reversal of 1253305076 is 6705033521.

It is a super-2 number, since 2×1253305076² = 3141547227054731552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506795 + ... + 509261.

It is an arithmetic number, because the mean of its divisors is an integer number (50169504).

Almost surely, 2^1253305076 is an apocalyptic number.

It is an amenable number.

1253305076 is a deficient number, since it is larger than the sum of its proper divisors (1154831116).

1253305076 is a wasteful number, since it uses less digits than its factorization.

1253305076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2760 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 1253305076 is about 35402.0490367436. The cubic root of 1253305076 is about 1078.1659188626.

Adding to 1253305076 its reverse (6705033521), we get a palindrome (7958338597).

The spelling of 1253305076 in words is "one billion, two hundred fifty-three million, three hundred five thousand, seventy-six".