1501402122 has 96 divisors (see below), whose sum is σ = 3746131200. Its totient is φ = 445199040.

The previous prime is 1501402103. The next prime is 1501402127. The reversal of 1501402122 is 2212041051.

1501402122 is a `hidden beast` number, since 1 + 501 + 40 + 2 + 122 = 666.

It is a super-2 number, since 2×1501402122² = 4508416663892205768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1501402095 and 1501402104.

It is not an unprimeable number, because it can be changed into a prime (1501402127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 304654 + ... + 309542.

It is an arithmetic number, because the mean of its divisors is an integer number (39022200).

Almost surely, 2^1501402122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1501402122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1873065600).

1501402122 is an abundant number, since it is smaller than the sum of its proper divisors (2244729078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1501402122 is a wasteful number, since it uses less digits than its factorization.

1501402122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969 (or 4952 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1501402122 is about 38747.9305511920. The cubic root of 1501402122 is about 1145.0708045941.

Adding to 1501402122 its reverse (2212041051), we get a palindrome (3713443173).

The spelling of 1501402122 in words is "one billion, five hundred one million, four hundred two thousand, one hundred twenty-two".