15122801 has 4 divisors (see below), whose sum is σ = 15223104. Its totient is φ = 15022500.

The previous prime is 15122777. The next prime is 15122813. The reversal of 15122801 is 10822151.

It is a happy number.

15122801 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10822151 = 233 ⋅46447.

It is a cyclic number.

It is not a de Polignac number, because 15122801 - 2¹⁴ = 15106417 is a prime.

It is a super-2 number, since 2×15122801² = 457398220171202, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15122851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49925 + ... + 50226.

It is an arithmetic number, because the mean of its divisors is an integer number (3805776).

Almost surely, 2^15122801 is an apocalyptic number.

It is an amenable number.

15122801 is a deficient number, since it is larger than the sum of its proper divisors (100303).

15122801 is a wasteful number, since it uses less digits than its factorization.

15122801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100302.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 15122801 is about 3888.8045721018. The cubic root of 15122801 is about 247.2923865168.

Adding to 15122801 its reverse (10822151), we get a palindrome (25944952).

It can be divided in two parts, 151 and 22801, that multiplied together give a cube (3442951 = 151³).

The spelling of 15122801 in words is "fifteen million, one hundred twenty-two thousand, eight hundred one".