1253022464 has 36 divisors (see below), whose sum is σ = 2568768384. Its totient is φ = 609573888.

The previous prime is 1253022461. The next prime is 1253022473. The reversal of 1253022464 is 4642203521.

It is not an unprimeable number, because it can be changed into a prime (1253022461) 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, 56672 + ... + 75615.

Almost surely, 2^1253022464 is an apocalyptic number.

It is an amenable number.

1253022464 is an abundant number, since it is smaller than the sum of its proper divisors (1315745920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253022464 is an equidigital number, since it uses as much as digits as its factorization.

1253022464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132340 (or 132326 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 1253022464 is about 35398.0573478263. The cubic root of 1253022464 is about 1078.0848730108.

Adding to 1253022464 its reverse (4642203521), we get a palindrome (5895225985).

The spelling of 1253022464 in words is "one billion, two hundred fifty-three million, twenty-two thousand, four hundred sixty-four".