1253267670 has 16 divisors (see below), whose sum is σ = 3007842480. Its totient is φ = 334204704.

The previous prime is 1253267633. The next prime is 1253267689. The reversal of 1253267670 is 767623521.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20887765 + ... + 20887824.

It is an arithmetic number, because the mean of its divisors is an integer number (187990155).

Almost surely, 2^1253267670 is an apocalyptic number.

1253267670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1253267670 is an abundant number, since it is smaller than the sum of its proper divisors (1754574810).

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

1253267670 is a wasteful number, since it uses less digits than its factorization.

1253267670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41775599.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 1253267670 is about 35401.5207300477. The cubic root of 1253267670 is about 1078.1551924836.

The spelling of 1253267670 in words is "one billion, two hundred fifty-three million, two hundred sixty-seven thousand, six hundred seventy".