1208920922 has 12 divisors (see below), whose sum is σ = 1993221258. Its totient is φ = 549509400.

The previous prime is 1208920907. The next prime is 1208920969. The reversal of 1208920922 is 2290298021.

It can be written as a sum of positive squares in only one way, i.e., 1068047761 + 140873161 = 32681^2 + 11869^2 .

It is a super-2 number, since 2×1208920922² = 2922979591298660168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2497529 + ... + 2498012.

Almost surely, 2^1208920922 is an apocalyptic number.

1208920922 is a deficient number, since it is larger than the sum of its proper divisors (784300336).

1208920922 is a wasteful number, since it uses less digits than its factorization.

1208920922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4995565 (or 4995554 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 1208920922 is about 34769.5401465133. The cubic root of 1208920922 is about 1065.2853745304.

The spelling of 1208920922 in words is "one billion, two hundred eight million, nine hundred twenty thousand, nine hundred twenty-two".