1162867620 has 24 divisors (see below), whose sum is σ = 3256029504. Its totient is φ = 310098016.

The previous prime is 1162867613. The next prime is 1162867627. The reversal of 1162867620 is 267682611.

It is an interprime number because it is at equal distance from previous prime (1162867613) and next prime (1162867627).

It is a super-2 number, since 2×1162867620² = 2704522203288928800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1162867627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9690504 + ... + 9690623.

It is an arithmetic number, because the mean of its divisors is an integer number (135667896).

Almost surely, 2^1162867620 is an apocalyptic number.

1162867620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1162867620 is an abundant number, since it is smaller than the sum of its proper divisors (2093161884).

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

1162867620 is a wasteful number, since it uses less digits than its factorization.

1162867620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19381139 (or 19381137 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1162867620 is about 34100.8448575691. The cubic root of 1162867620 is about 1051.5826834895.

The spelling of 1162867620 in words is "one billion, one hundred sixty-two million, eight hundred sixty-seven thousand, six hundred twenty".