1107172049 has 4 divisors (see below), whose sum is σ = 1110457764. Its totient is φ = 1103886336.

The previous prime is 1107172043. The next prime is 1107172057. The reversal of 1107172049 is 9402717011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9402717011 = 22811 ⋅412201.

It can be written as a sum of positive squares in 2 ways, for example, as 518381824 + 588790225 = 22768^2 + 24265^2 .

It is a cyclic number.

It is not a de Polignac number, because 1107172049 - 2¹² = 1107167953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1107172043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1642352 + ... + 1643025.

It is an arithmetic number, because the mean of its divisors is an integer number (277614441).

Almost surely, 2^1107172049 is an apocalyptic number.

It is an amenable number.

1107172049 is a deficient number, since it is larger than the sum of its proper divisors (3285715).

1107172049 is an equidigital number, since it uses as much as digits as its factorization.

1107172049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285714.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 1107172049 is about 33274.1949414257. The cubic root of 1107172049 is about 1034.5187612382.

The spelling of 1107172049 in words is "one billion, one hundred seven million, one hundred seventy-two thousand, forty-nine".