1107973949 has 4 divisors (see below), whose sum is σ = 1112729436. Its totient is φ = 1103218464.

The previous prime is 1107973903. The next prime is 1107973969. The reversal of 1107973949 is 9493797011.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 126405049 + 981568900 = 11243^2 + 31330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1107973949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1107973897 and 1107973906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107973969) 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, 2377394 + ... + 2377859.

It is an arithmetic number, because the mean of its divisors is an integer number (278182359).

Almost surely, 2^1107973949 is an apocalyptic number.

It is an amenable number.

1107973949 is a deficient number, since it is larger than the sum of its proper divisors (4755487).

1107973949 is an equidigital number, since it uses as much as digits as its factorization.

1107973949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755486.

The product of its (nonzero) digits is 428652, while the sum is 50.

The square root of 1107973949 is about 33286.2426386638. The cubic root of 1107973949 is about 1034.7684605792.

The spelling of 1107973949 in words is "one billion, one hundred seven million, nine hundred seventy-three thousand, nine hundred forty-nine".