1097199376 has 125 divisors (see below), whose sum is σ = 2686637971. Its totient is φ = 434056896.

The previous prime is 1097199373. The next prime is 1097199391. The reversal of 1097199376 is 6739917901.

The square root of 1097199376 is 33124.

It is a perfect power (a square, a biquadrate), and thus also a powerful number.

It can be written as a sum of positive squares in 2 ways, for example, as 544008976 + 553190400 = 23324^2 + 23520^2 .

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1097199373) by changing a digit.

It is a polite number, since it can be written in 24 ways as a sum of consecutive naturals, for example, 84399946 + ... + 84399958.

Almost surely, 2^1097199376 is an apocalyptic number.

1097199376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1097199376 is the 33124-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097199376

1097199376 is an abundant number, since it is smaller than the sum of its proper divisors (1589438595).

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

1097199376 is an frugal number, since it uses more digits than its factorization.

1097199376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88 (or 22 counting only the distinct ones).

The product of its (nonzero) digits is 642978, while the sum is 52.

The cubic root of 1097199376 is about 1031.4033016737.

The spelling of 1097199376 in words is "one billion, ninety-seven million, one hundred ninety-nine thousand, three hundred seventy-six".