1122920025 has 48 divisors (see below), whose sum is σ = 1914127488. Its totient is φ = 580608000.

The previous prime is 1122920011. The next prime is 1122920039. The reversal of 1122920025 is 5200292211.

It is an interprime number because it is at equal distance from previous prime (1122920011) and next prime (1122920039).

It is not a de Polignac number, because 1122920025 - 2⁴ = 1122920009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1122919977 and 1122920004.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 323097 + ... + 326553.

It is an arithmetic number, because the mean of its divisors is an integer number (39877656).

Almost surely, 2^1122920025 is an apocalyptic number.

1122920025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1122920025 is a deficient number, since it is larger than the sum of its proper divisors (791207463).

1122920025 is a wasteful number, since it uses less digits than its factorization.

1122920025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602 (or 3597 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1122920025 is about 33509.9988809310. The cubic root of 1122920025 is about 1039.4005498253.

The spelling of 1122920025 in words is "one billion, one hundred twenty-two million, nine hundred twenty thousand, twenty-five".