1201598567 has 16 divisors (see below), whose sum is σ = 1306912320. Its totient is φ = 1098181632.

The previous prime is 1201598561. The next prime is 1201598581. The reversal of 1201598567 is 7658951021.

It is a cyclic number.

It is not a de Polignac number, because 1201598567 - 2¹⁴ = 1201582183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201598561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635159 + ... + 637047.

It is an arithmetic number, because the mean of its divisors is an integer number (81682020).

Almost surely, 2^1201598567 is an apocalyptic number.

1201598567 is a deficient number, since it is larger than the sum of its proper divisors (105313753).

1201598567 is a wasteful number, since it uses less digits than its factorization.

1201598567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362.

The product of its (nonzero) digits is 151200, while the sum is 44.

The square root of 1201598567 is about 34664.0817994650. The cubic root of 1201598567 is about 1063.1302295058.

The spelling of 1201598567 in words is "one billion, two hundred one million, five hundred ninety-eight thousand, five hundred sixty-seven".