1248549256 has 8 divisors (see below), whose sum is σ = 2341029870. Its totient is φ = 624274624.

The previous prime is 1248549233. The next prime is 1248549287. The reversal of 1248549256 is 6529458421.

It can be written as a sum of positive squares in only one way, i.e., 1072562500 + 175986756 = 32750^2 + 13266^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78034321 + ... + 78034336.

Almost surely, 2^1248549256 is an apocalyptic number.

It is an amenable number.

1248549256 is a deficient number, since it is larger than the sum of its proper divisors (1092480614).

1248549256 is a wasteful number, since it uses less digits than its factorization.

1248549256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156068663 (or 156068659 counting only the distinct ones).

The product of its digits is 691200, while the sum is 46.

The square root of 1248549256 is about 35334.8164845949. The cubic root of 1248549256 is about 1076.8004459306.

The spelling of 1248549256 in words is "one billion, two hundred forty-eight million, five hundred forty-nine thousand, two hundred fifty-six".