1121512146 has 16 divisors (see below), whose sum is σ = 2243409600. Its totient is φ = 373773168.

The previous prime is 1121512127. The next prime is 1121512153. The reversal of 1121512146 is 6412151211.

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, 33600 + ... + 58068.

It is an arithmetic number, because the mean of its divisors is an integer number (140213100).

Almost surely, 2^1121512146 is an apocalyptic number.

1121512146 is an abundant number, since it is smaller than the sum of its proper divisors (1121897454).

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

1121512146 is a wasteful number, since it uses less digits than its factorization.

1121512146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32113.

The product of its digits is 480, while the sum is 24.

The square root of 1121512146 is about 33488.9854429781. The cubic root of 1121512146 is about 1038.9659797856.

Adding to 1121512146 its reverse (6412151211), we get a palindrome (7533663357).

The spelling of 1121512146 in words is "one billion, one hundred twenty-one million, five hundred twelve thousand, one hundred forty-six".