361121247 has 10 divisors (see below), whose sum is σ = 539452848. Its totient is φ = 240747444.

The previous prime is 361121227. The next prime is 361121273. The reversal of 361121247 is 742121163.

361121247 is a `hidden beast` number, since 3 + 611 + 2 + 1 + 2 + 47 = 666.

It is not a de Polignac number, because 361121247 - 2¹⁶ = 361055711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 361121247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361121207) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2229063 + ... + 2229224.

Almost surely, 2^361121247 is an apocalyptic number.

361121247 is a deficient number, since it is larger than the sum of its proper divisors (178331601).

361121247 is an equidigital number, since it uses as much as digits as its factorization.

361121247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458299 (or 4458290 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 361121247 is about 19003.1904426599. The cubic root of 361121247 is about 712.1164428658.

The spelling of 361121247 in words is "three hundred sixty-one million, one hundred twenty-one thousand, two hundred forty-seven".