1125154612122 has 16 divisors (see below), whose sum is σ = 2250800291520. Its totient is φ = 374969692832.

The previous prime is 1125154612111. The next prime is 1125154612133. The reversal of 1125154612122 is 2212164515211.

It is an interprime number because it is at equal distance from previous prime (1125154612111) and next prime (1125154612133).

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, 20431347 + ... + 20486342.

It is an arithmetic number, because the mean of its divisors is an integer number (140675018220).

Almost surely, 2^{1125154612122} is an apocalyptic number.

1125154612122 is an abundant number, since it is smaller than the sum of its proper divisors (1125645679398).

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

1125154612122 is a wasteful number, since it uses less digits than its factorization.

1125154612122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40922277.

The product of its digits is 9600, while the sum is 33.

The spelling of 1125154612122 in words is "one trillion, one hundred twenty-five billion, one hundred fifty-four million, six hundred twelve thousand, one hundred twenty-two".