1122125140 has 24 divisors (see below), whose sum is σ = 2384857440. Its totient is φ = 443441568.

The previous prime is 1122125113. The next prime is 1122125201. The reversal of 1122125140 is 415212211.

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, 336330 + ... + 339649.

It is an arithmetic number, because the mean of its divisors is an integer number (99369060).

Almost surely, 2^1122125140 is an apocalyptic number.

1122125140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122125140 is an abundant number, since it is smaller than the sum of its proper divisors (1262732300).

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

1122125140 is a wasteful number, since it uses less digits than its factorization.

1122125140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676071 (or 676069 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 1122125140 is about 33498.1363660727. The cubic root of 1122125140 is about 1039.1552373324.

Adding to 1122125140 its reverse (415212211), we get a palindrome (1537337351).

The spelling of 1122125140 in words is "one billion, one hundred twenty-two million, one hundred twenty-five thousand, one hundred forty".