1201573131 has 8 divisors (see below), whose sum is σ = 1747742784. Its totient is φ = 728226120.

The previous prime is 1201573117. The next prime is 1201573171. The reversal of 1201573131 is 1313751021.

It is a happy number.

1201573131 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1201573131 - 2⁵ = 1201573099 is a prime.

It is a super-2 number, since 2×1201573131² = 2887555978282286322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201573171) 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, 18205621 + ... + 18205686.

It is an arithmetic number, because the mean of its divisors is an integer number (218467848).

Almost surely, 2^1201573131 is an apocalyptic number.

1201573131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1201573131 is a deficient number, since it is larger than the sum of its proper divisors (546169653).

1201573131 is a wasteful number, since it uses less digits than its factorization.

1201573131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36411321.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 1201573131 is about 34663.7149047819. The cubic root of 1201573131 is about 1063.1227278403.

The spelling of 1201573131 in words is "one billion, two hundred one million, five hundred seventy-three thousand, one hundred thirty-one".