1097327250 has 160 divisors (see below), whose sum is σ = 3095059968. Its totient is φ = 291308400.

The previous prime is 1097327227. The next prime is 1097327251. The reversal of 1097327250 is 527237901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097327251) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4920639 + ... + 4920861.

Almost surely, 2^1097327250 is an apocalyptic number.

1097327250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097327250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1547529984).

1097327250 is an abundant number, since it is smaller than the sum of its proper divisors (1997732718).

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

1097327250 is an frugal number, since it uses more digits than its factorization.

1097327250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 36.

The square root of 1097327250 is about 33125.9301756192. The cubic root of 1097327250 is about 1031.4433686980.

The spelling of 1097327250 in words is "one billion, ninety-seven million, three hundred twenty-seven thousand, two hundred fifty".