1101873445 has 16 divisors (see below), whose sum is σ = 1426448880. Its totient is φ = 813988864.

The previous prime is 1101873427. The next prime is 1101873511. The reversal of 1101873445 is 5443781011.

It can be written as a sum of positive squares in 8 ways, for example, as 206726884 + 895146561 = 14378^2 + 29919^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101873445 - 2⁵ = 1101873413 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1101873445.

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, 117790 + ... + 126799.

It is an arithmetic number, because the mean of its divisors is an integer number (89153055).

Almost surely, 2^1101873445 is an apocalyptic number.

It is an amenable number.

1101873445 is a deficient number, since it is larger than the sum of its proper divisors (324575435).

1101873445 is a wasteful number, since it uses less digits than its factorization.

1101873445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244664.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 1101873445 is about 33194.4791343380. The cubic root of 1101873445 is about 1032.8658194417.

The spelling of 1101873445 in words is "one billion, one hundred one million, eight hundred seventy-three thousand, four hundred forty-five".