1201502151 has 12 divisors (see below), whose sum is σ = 1735804512. Its totient is φ = 800862336.

The previous prime is 1201502143. The next prime is 1201502179. The reversal of 1201502151 is 1512051021.

1201502151 is a `hidden beast` number, since 12 + 0 + 1 + 502 + 151 = 666.

It is not a de Polignac number, because 1201502151 - 2³ = 1201502143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201502051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89650 + ... + 102176.

It is an arithmetic number, because the mean of its divisors is an integer number (144650376).

Almost surely, 2^1201502151 is an apocalyptic number.

1201502151 is a deficient number, since it is larger than the sum of its proper divisors (534302361).

1201502151 is a wasteful number, since it uses less digits than its factorization.

1201502151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23190 (or 23187 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 1201502151 is about 34662.6910524847. The cubic root of 1201502151 is about 1063.1017936347.

Adding to 1201502151 its reverse (1512051021), we get a palindrome (2713553172).

The spelling of 1201502151 in words is "one billion, two hundred one million, five hundred two thousand, one hundred fifty-one".