1097266734 has 48 divisors (see below), whose sum is σ = 2527873920. Its totient is φ = 342789120.

The previous prime is 1097266721. The next prime is 1097266757. The reversal of 1097266734 is 4376627901.

It is a self number, because there is not a number n which added to its sum of digits gives 1097266734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66307 + ... + 81185.

It is an arithmetic number, because the mean of its divisors is an integer number (52664040).

Almost surely, 2^1097266734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097266734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263936960).

1097266734 is an abundant number, since it is smaller than the sum of its proper divisors (1430607186).

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

1097266734 is a wasteful number, since it uses less digits than its factorization.

1097266734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15145 (or 15142 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 1097266734 is about 33125.0167396184. The cubic root of 1097266734 is about 1031.4244074828.

The spelling of 1097266734 in words is "one billion, ninety-seven million, two hundred sixty-six thousand, seven hundred thirty-four".