1169240639 has 8 divisors (see below), whose sum is σ = 1406605440. Its totient is φ = 949458456.

The previous prime is 1169240629. The next prime is 1169240687. The reversal of 1169240639 is 9360429611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1169240639 - 2⁴ = 1169240623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1169240596 and 1169240605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1169240629) 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, 4395509 + ... + 4395774.

It is an arithmetic number, because the mean of its divisors is an integer number (175825680).

Almost surely, 2^1169240639 is an apocalyptic number.

1169240639 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1169240639 is a deficient number, since it is larger than the sum of its proper divisors (237364801).

1169240639 is an equidigital number, since it uses as much as digits as its factorization.

1169240639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8791309.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 1169240639 is about 34194.1608904210. The cubic root of 1169240639 is about 1053.5002278435.

The spelling of 1169240639 in words is "one billion, one hundred sixty-nine million, two hundred forty thousand, six hundred thirty-nine".