151231201 has 32 divisors (see below), whose sum is σ = 183513600. Its totient is φ = 123002880.

The previous prime is 151231163. The next prime is 151231211. The reversal of 151231201 is 102132151.

It is not a de Polignac number, because 151231201 - 2¹⁵ = 151198433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151231211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428241 + ... + 428593.

It is an arithmetic number, because the mean of its divisors is an integer number (5734800).

Almost surely, 2^151231201 is an apocalyptic number.

151231201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151231201 is a deficient number, since it is larger than the sum of its proper divisors (32282399).

151231201 is a wasteful number, since it uses less digits than its factorization.

151231201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 151231201 is about 12297.6095644641. The cubic root of 151231201 is about 532.7790433569.

Adding to 151231201 its reverse (102132151), we get a palindrome (253363352).

The spelling of 151231201 in words is "one hundred fifty-one million, two hundred thirty-one thousand, two hundred one".