1248549025 has 12 divisors (see below), whose sum is σ = 1598143744. Its totient is φ = 966618000.

The previous prime is 1248549017. The next prime is 1248549061. The reversal of 1248549025 is 5209458421.

It is a happy number.

It is not a de Polignac number, because 1248549025 - 2³ = 1248549017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 804741 + ... + 806290.

Almost surely, 2^1248549025 is an apocalyptic number.

It is an amenable number.

1248549025 is a deficient number, since it is larger than the sum of its proper divisors (349594719).

1248549025 is a wasteful number, since it uses less digits than its factorization.

1248549025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611072 (or 1611067 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 1248549025 is about 35334.8132158640. The cubic root of 1248549025 is about 1076.8003795227.

The spelling of 1248549025 in words is "one billion, two hundred forty-eight million, five hundred forty-nine thousand, twenty-five".