1097543190 has 32 divisors (see below), whose sum is σ = 2636258400. Its totient is φ = 292438784.

The previous prime is 1097543179. The next prime is 1097543203. The reversal of 1097543190 is 913457901.

It is a happy number.

It is a super-2 number, since 2×1097543190² = 2409202107830752200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23986 + ... + 52634.

It is an arithmetic number, because the mean of its divisors is an integer number (82383075).

Almost surely, 2^1097543190 is an apocalyptic number.

1097543190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1097543190 is an abundant number, since it is smaller than the sum of its proper divisors (1538715210).

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

1097543190 is a wasteful number, since it uses less digits than its factorization.

1097543190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29936.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 1097543190 is about 33129.1893954561. The cubic root of 1097543190 is about 1031.5110225581.

The spelling of 1097543190 in words is "one billion, ninety-seven million, five hundred forty-three thousand, one hundred ninety".