1120620860 has 24 divisors (see below), whose sum is σ = 2429218176. Its totient is φ = 433788480.

The previous prime is 1120620857. The next prime is 1120620863. The reversal of 1120620860 is 680260211.

It is an interprime number because it is at equal distance from previous prime (1120620857) and next prime (1120620863).

It is a super-2 number, since 2×1120620860² = 2511582223734279200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120620863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 903107 + ... + 904346.

It is an arithmetic number, because the mean of its divisors is an integer number (101217424).

Almost surely, 2^1120620860 is an apocalyptic number.

1120620860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120620860 is an abundant number, since it is smaller than the sum of its proper divisors (1308597316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1120620860 is a wasteful number, since it uses less digits than its factorization.

1120620860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807493 (or 1807491 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1120620860 is about 33475.6756466542. The cubic root of 1120620860 is about 1038.6906784879.

The spelling of 1120620860 in words is "one billion, one hundred twenty million, six hundred twenty thousand, eight hundred sixty".