1150120521 has 24 divisors (see below), whose sum is σ = 1907699040. Its totient is φ = 660355200.

The previous prime is 1150120519. The next prime is 1150120523. The reversal of 1150120521 is 1250210511.

It is an interprime number because it is at equal distance from previous prime (1150120519) and next prime (1150120523).

It is not a de Polignac number, because 1150120521 - 2¹ = 1150120519 is a prime.

It is a super-2 number, since 2×1150120521² = 2645554425650622882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1150120494 and 1150120503.

It is not an unprimeable number, because it can be changed into a prime (1150120523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303840 + ... + 307601.

It is an arithmetic number, because the mean of its divisors is an integer number (79487460).

Almost surely, 2^1150120521 is an apocalyptic number.

1150120521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1150120521 is a deficient number, since it is larger than the sum of its proper divisors (757578519).

1150120521 is a wasteful number, since it uses less digits than its factorization.

1150120521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611477 (or 611474 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1150120521 is about 33913.4268542712. The cubic root of 1150120521 is about 1047.7261514852.

The spelling of 1150120521 in words is "one billion, one hundred fifty million, one hundred twenty thousand, five hundred twenty-one".