1560739247 has 8 divisors (see below), whose sum is σ = 1673467200. Its totient is φ = 1450335744.

The previous prime is 1560739231. The next prime is 1560739259. The reversal of 1560739247 is 7429370651.

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 1560739247 - 2⁴ = 1560739231 is a prime.

It is a super-2 number, since 2×1560739247² = 4871813994252254018, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1560739198 and 1560739207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1560739207) 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, 579722 + ... + 582407.

It is an arithmetic number, because the mean of its divisors is an integer number (209183400).

Almost surely, 2^1560739247 is an apocalyptic number.

1560739247 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1560739247 is a deficient number, since it is larger than the sum of its proper divisors (112727953).

1560739247 is a wasteful number, since it uses less digits than its factorization.

1560739247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162225.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 1560739247 is about 39506.1925145919. The cubic root of 1560739247 is about 1159.9611676953.

The spelling of 1560739247 in words is "one billion, five hundred sixty million, seven hundred thirty-nine thousand, two hundred forty-seven".