1097249774 has 32 divisors (see below), whose sum is σ = 1721597952. Its totient is φ = 523908000.

The previous prime is 1097249767. The next prime is 1097249779. The reversal of 1097249774 is 4779427901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097249779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2606084 + ... + 2606504.

It is an arithmetic number, because the mean of its divisors is an integer number (53799936).

Almost surely, 2^1097249774 is an apocalyptic number.

1097249774 is a deficient number, since it is larger than the sum of its proper divisors (624348178).

1097249774 is a wasteful number, since it uses less digits than its factorization.

1097249774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912.

The product of its (nonzero) digits is 889056, while the sum is 50.

The square root of 1097249774 is about 33124.7607387586. The cubic root of 1097249774 is about 1031.4190933547.

The spelling of 1097249774 in words is "one billion, ninety-seven million, two hundred forty-nine thousand, seven hundred seventy-four".