1228972 has 6 divisors (see below), whose sum is σ = 2150708. Its totient is φ = 614484.

The previous prime is 1228963. The next prime is 1228987. The reversal of 1228972 is 2798221.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153618 + ... + 153625.

2^1228972 is an apocalyptic number.

It is an amenable number.

1228972 is a deficient number, since it is larger than the sum of its proper divisors (921736).

1228972 is a wasteful number, since it uses less digits than its factorization.

1228972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307247 (or 307245 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 1228972 is about 1108.5900955718. The cubic root of 1228972 is about 107.1142692829.

The spelling of 1228972 in words is "one million, two hundred twenty-eight thousand, nine hundred seventy-two".