1130155772 has 6 divisors (see below), whose sum is σ = 1977772608. Its totient is φ = 565077884.

The previous prime is 1130155771. The next prime is 1130155783. The reversal of 1130155772 is 2775510311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130155771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141269468 + ... + 141269475.

It is an arithmetic number, because the mean of its divisors is an integer number (329628768).

Almost surely, 2^1130155772 is an apocalyptic number.

It is an amenable number.

1130155772 is a deficient number, since it is larger than the sum of its proper divisors (847616836).

1130155772 is a wasteful number, since it uses less digits than its factorization.

1130155772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282538947 (or 282538945 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 32.

The square root of 1130155772 is about 33617.7895168615. The cubic root of 1130155772 is about 1041.6282961895.

The spelling of 1130155772 in words is "one billion, one hundred thirty million, one hundred fifty-five thousand, seven hundred seventy-two".