1253007340 has 48 divisors (see below), whose sum is σ = 2956943808. Its totient is φ = 442531584.

The previous prime is 1253007319. The next prime is 1253007359. The reversal of 1253007340 is 437003521.

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, 98787 + ... + 110746.

It is an arithmetic number, because the mean of its divisors is an integer number (61602996).

Almost surely, 2^1253007340 is an apocalyptic number.

1253007340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1253007340 is an abundant number, since it is smaller than the sum of its proper divisors (1703936468).

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

1253007340 is a wasteful number, since it uses less digits than its factorization.

1253007340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209578 (or 209576 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 1253007340 is about 35397.8437196392. The cubic root of 1253007340 is about 1078.0805354931.

The spelling of 1253007340 in words is "one billion, two hundred fifty-three million, seven thousand, three hundred forty".