1097130672 has 120 divisors (see below), whose sum is σ = 3457778688. Its totient is φ = 321724800.

The previous prime is 1097130653. The next prime is 1097130677. The reversal of 1097130672 is 2760317901.

It is a happy number.

It is a super-2 number, since 2×1097130672² = 2407391422886343168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1097130677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37933 + ... + 60275.

Almost surely, 2^1097130672 is an apocalyptic number.

1097130672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097130672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1728889344).

1097130672 is an abundant number, since it is smaller than the sum of its proper divisors (2360648016).

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

1097130672 is a wasteful number, since it uses less digits than its factorization.

1097130672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22399 (or 22390 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 36.

The square root of 1097130672 is about 33122.9629109474. The cubic root of 1097130672 is about 1031.3817732219.

It can be divided in two parts, 1097 and 130672, that added together give a square (131769 = 363²).

The spelling of 1097130672 in words is "one billion, ninety-seven million, one hundred thirty thousand, six hundred seventy-two".