1097032726 has 4 divisors (see below), whose sum is σ = 1645549092. Its totient is φ = 548516362.

The previous prime is 1097032693. The next prime is 1097032733. The reversal of 1097032726 is 6272307901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6272307901 = 57923 ⋅108287.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274258180 + ... + 274258183.

It is an arithmetic number, because the mean of its divisors is an integer number (411387273).

Almost surely, 2^1097032726 is an apocalyptic number.

1097032726 is a deficient number, since it is larger than the sum of its proper divisors (548516366).

1097032726 is an equidigital number, since it uses as much as digits as its factorization.

1097032726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548516365.

The product of its (nonzero) digits is 31752, while the sum is 37.

The square root of 1097032726 is about 33121.4843568340. The cubic root of 1097032726 is about 1031.3510802127.

The spelling of 1097032726 in words is "one billion, ninety-seven million, thirty-two thousand, seven hundred twenty-six".