1103749172 has 24 divisors (see below), whose sum is σ = 1998700032. Its totient is φ = 532778400.

The previous prime is 1103749091. The next prime is 1103749177. The reversal of 1103749172 is 2719473011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103749177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41633 + ... + 62775.

It is an arithmetic number, because the mean of its divisors is an integer number (83279168).

Almost surely, 2^1103749172 is an apocalyptic number.

It is an amenable number.

1103749172 is a deficient number, since it is larger than the sum of its proper divisors (894950860).

1103749172 is a wasteful number, since it uses less digits than its factorization.

1103749172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21599 (or 21597 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 1103749172 is about 33222.7207194113. The cubic root of 1103749172 is about 1033.4515721331.

The spelling of 1103749172 in words is "one billion, one hundred three million, seven hundred forty-nine thousand, one hundred seventy-two".