61131201 has 8 divisors (see below), whose sum is σ = 86302944. Its totient is φ = 38356800.

The previous prime is 61131199. The next prime is 61131223. The reversal of 61131201 is 10213116.

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

It is not a de Polignac number, because 61131201 - 2¹ = 61131199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61131241) 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, 599275 + ... + 599376.

It is an arithmetic number, because the mean of its divisors is an integer number (10787868).

Almost surely, 2^61131201 is an apocalyptic number.

It is an amenable number.

61131201 is a deficient number, since it is larger than the sum of its proper divisors (25171743).

61131201 is a wasteful number, since it uses less digits than its factorization.

61131201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198671.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 61131201 is about 7818.6444477288. The cubic root of 61131201 is about 393.9317415486.

Adding to 61131201 its reverse (10213116), we get a palindrome (71344317).

The spelling of 61131201 in words is "sixty-one million, one hundred thirty-one thousand, two hundred one".