1156114620 has 120 divisors (see below), whose sum is σ = 3743929728. Its totient is φ = 298339200.

The previous prime is 1156114607. The next prime is 1156114621. The reversal of 1156114620 is 264116511.

1156114620 is a `hidden beast` number, since 1 + 1 + 5 + 611 + 46 + 2 + 0 = 666.

1156114620 is nontrivially palindromic in base 14.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1156114621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38710 + ... + 61730.

Almost surely, 2^1156114620 is an apocalyptic number.

1156114620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1156114620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1871964864).

1156114620 is an abundant number, since it is smaller than the sum of its proper divisors (2587815108).

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

1156114620 is a wasteful number, since it uses less digits than its factorization.

1156114620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23073 (or 23062 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1156114620 is about 34001.6855464549. The cubic root of 1156114620 is about 1049.5431481928.

The spelling of 1156114620 in words is "one billion, one hundred fifty-six million, one hundred fourteen thousand, six hundred twenty".