247107042 has 96 divisors (see below), whose sum is σ = 662643072. Its totient is φ = 64806912.

The previous prime is 247107017. The next prime is 247107067. The reversal of 247107042 is 240701742.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (247107017) and next prime (247107067).

It is a super-2 number, since 2×247107042² = 122123780411979528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247106997 and 247107015.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 420673 + ... + 421259.

It is an arithmetic number, because the mean of its divisors is an integer number (6902532).

Almost surely, 2^247107042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247107042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331321536).

247107042 is an abundant number, since it is smaller than the sum of its proper divisors (415536030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247107042 is a wasteful number, since it uses less digits than its factorization.

247107042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

The square root of 247107042 is about 15719.6387363069. The cubic root of 247107042 is about 627.5211588448.

Adding to 247107042 its reverse (240701742), we get a palindrome (487808784).

The spelling of 247107042 in words is "two hundred forty-seven million, one hundred seven thousand, forty-two".