1097102980 has 24 divisors (see below), whose sum is σ = 2327672088. Its totient is φ = 434316288.

The previous prime is 1097102977. The next prime is 1097102983. The reversal of 1097102980 is 892017901.

It is an interprime number because it is at equal distance from previous prime (1097102977) and next prime (1097102983).

It can be written as a sum of positive squares in 4 ways, for example, as 120165444 + 976937536 = 10962^2 + 31256^2 .

It is not an unprimeable number, because it can be changed into a prime (1097102983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280819 + ... + 284698.

It is an arithmetic number, because the mean of its divisors is an integer number (96986337).

Almost surely, 2^1097102980 is an apocalyptic number.

1097102980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1097102980 is an abundant number, since it is smaller than the sum of its proper divisors (1230569108).

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

1097102980 is a wasteful number, since it uses less digits than its factorization.

1097102980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565623 (or 565621 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 1097102980 is about 33122.5448901500. The cubic root of 1097102980 is about 1031.3730956580.

The spelling of 1097102980 in words is "one billion, ninety-seven million, one hundred two thousand, nine hundred eighty".