1253249948 has 6 divisors (see below), whose sum is σ = 2193187416. Its totient is φ = 626624972.

The previous prime is 1253249947. The next prime is 1253249969. The reversal of 1253249948 is 8499423521.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253249947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156656240 + ... + 156656247.

It is an arithmetic number, because the mean of its divisors is an integer number (365531236).

Almost surely, 2^1253249948 is an apocalyptic number.

It is an amenable number.

1253249948 is a deficient number, since it is larger than the sum of its proper divisors (939937468).

1253249948 is a wasteful number, since it uses less digits than its factorization.

1253249948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313312491 (or 313312489 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 1253249948 is about 35401.2704291809. The cubic root of 1253249948 is about 1078.1501105268.

The spelling of 1253249948 in words is "one billion, two hundred fifty-three million, two hundred forty-nine thousand, nine hundred forty-eight".