1107620749 has 2 divisors, whose sum is σ = 1107620750. Its totient is φ = 1107620748.

The previous prime is 1107620741. The next prime is 1107620777. The reversal of 1107620749 is 9470267011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 979251849 + 128368900 = 31293^2 + 11330^2 .

It is a cyclic number.

It is not a de Polignac number, because 1107620749 - 2³ = 1107620741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1107620741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 553810374 + 553810375.

It is an arithmetic number, because the mean of its divisors is an integer number (553810375).

Almost surely, 2^1107620749 is an apocalyptic number.

It is an amenable number.

1107620749 is a deficient number, since it is larger than the sum of its proper divisors (1).

1107620749 is an equidigital number, since it uses as much as digits as its factorization.

1107620749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 37.

The square root of 1107620749 is about 33280.9367205913. The cubic root of 1107620749 is about 1034.6584943766.

The spelling of 1107620749 in words is "one billion, one hundred seven million, six hundred twenty thousand, seven hundred forty-nine".