1122125151 has 16 divisors (see below), whose sum is σ = 1710790400. Its totient is φ = 640882368.

The previous prime is 1122125113. The next prime is 1122125201. The reversal of 1122125151 is 1515212211.

It is not a de Polignac number, because 1122125151 - 2²³ = 1113736543 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122125051) 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, 31080 + ... + 56658.

It is an arithmetic number, because the mean of its divisors is an integer number (106924400).

Almost surely, 2^1122125151 is an apocalyptic number.

1122125151 is a deficient number, since it is larger than the sum of its proper divisors (588665249).

1122125151 is a wasteful number, since it uses less digits than its factorization.

1122125151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27678.

The product of its digits is 200, while the sum is 21.

The square root of 1122125151 is about 33498.1365302609. The cubic root of 1122125151 is about 1039.1552407279.

Adding to 1122125151 its reverse (1515212211), we get a palindrome (2637337362).

The spelling of 1122125151 in words is "one billion, one hundred twenty-two million, one hundred twenty-five thousand, one hundred fifty-one".