1151512422 has 32 divisors (see below), whose sum is σ = 2381107200. Its totient is φ = 370863360.

The previous prime is 1151512399. The next prime is 1151512441. The reversal of 1151512422 is 2242151511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1151512392 and 1151512401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120579 + ... + 129777.

It is an arithmetic number, because the mean of its divisors is an integer number (74409600).

Almost surely, 2^1151512422 is an apocalyptic number.

1151512422 is an abundant number, since it is smaller than the sum of its proper divisors (1229594778).

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

1151512422 is a wasteful number, since it uses less digits than its factorization.

1151512422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9908.

The product of its digits is 800, while the sum is 24.

The square root of 1151512422 is about 33933.9420344881. The cubic root of 1151512422 is about 1048.1486414606.

Adding to 1151512422 its reverse (2242151511), we get a palindrome (3393663933).

The spelling of 1151512422 in words is "one billion, one hundred fifty-one million, five hundred twelve thousand, four hundred twenty-two".