1150660420 has 48 divisors (see below), whose sum is σ = 2974019328. Its totient is φ = 364164480.

The previous prime is 1150660417. The next prime is 1150660429. The reversal of 1150660420 is 240660511.

It is not an unprimeable number, because it can be changed into a prime (1150660429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314296 + ... + 317935.

It is an arithmetic number, because the mean of its divisors is an integer number (61958736).

Almost surely, 2^1150660420 is an apocalyptic number.

1150660420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150660420 is an abundant number, since it is smaller than the sum of its proper divisors (1823358908).

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

1150660420 is a wasteful number, since it uses less digits than its factorization.

1150660420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632260 (or 632258 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1150660420 is about 33921.3858797072. The cubic root of 1150660420 is about 1047.8900699039.

Subtracting from 1150660420 its reverse (240660511), we obtain a palindrome (909999909).

The spelling of 1150660420 in words is "one billion, one hundred fifty million, six hundred sixty thousand, four hundred twenty".