1151012120 has 32 divisors (see below), whose sum is σ = 2633677200. Its totient is φ = 452600448.

The previous prime is 1151012119. The next prime is 1151012167. The reversal of 1151012120 is 212101511.

It is a junction number, because it is equal to n+sod(n) for n = 1151012095 and 1151012104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241499 + ... + 246218.

Almost surely, 2^1151012120 is an apocalyptic number.

1151012120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151012120 is an abundant number, since it is smaller than the sum of its proper divisors (1482665080).

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

1151012120 is a wasteful number, since it uses less digits than its factorization.

1151012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487787 (or 487783 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 1151012120 is about 33926.5695289105. The cubic root of 1151012120 is about 1047.9968217568.

Adding to 1151012120 its reverse (212101511), we get a palindrome (1363113631).

The spelling of 1151012120 in words is "one billion, one hundred fifty-one million, twelve thousand, one hundred twenty".