1121551422 has 16 divisors (see below), whose sum is σ = 2243523072. Its totient is φ = 373780440.

The previous prime is 1121551411. The next prime is 1121551439. The reversal of 1121551422 is 2241551211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1121551392 and 1121551401.

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, 25203 + ... + 53649.

It is an arithmetic number, because the mean of its divisors is an integer number (140220192).

Almost surely, 2^1121551422 is an apocalyptic number.

1121551422 is an abundant number, since it is smaller than the sum of its proper divisors (1121971650).

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

1121551422 is a wasteful number, since it uses less digits than its factorization.

1121551422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35023.

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

The square root of 1121551422 is about 33489.5718396040. The cubic root of 1121551422 is about 1038.9781080393.

The spelling of 1121551422 in words is "one billion, one hundred twenty-one million, five hundred fifty-one thousand, four hundred twenty-two".