1120155572 has 6 divisors (see below), whose sum is σ = 1960272258. Its totient is φ = 560077784.

The previous prime is 1120155571. The next prime is 1120155607. The reversal of 1120155572 is 2755510211.

It can be written as a sum of positive squares in only one way, i.e., 991242256 + 128913316 = 31484^2 + 11354^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120155571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140019443 + ... + 140019450.

It is an arithmetic number, because the mean of its divisors is an integer number (326712043).

Almost surely, 2^1120155572 is an apocalyptic number.

It is an amenable number.

1120155572 is a deficient number, since it is larger than the sum of its proper divisors (840116686).

1120155572 is a wasteful number, since it uses less digits than its factorization.

1120155572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280038897 (or 280038895 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 1120155572 is about 33468.7252819703. The cubic root of 1120155572 is about 1038.5469018757.

Adding to 1120155572 its reverse (2755510211), we get a palindrome (3875665783).

The spelling of 1120155572 in words is "one billion, one hundred twenty million, one hundred fifty-five thousand, five hundred seventy-two".