1504112121 has 12 divisors (see below), whose sum is σ = 2172952548. Its totient is φ = 1002581664.

The previous prime is 1504112107. The next prime is 1504112131. The reversal of 1504112121 is 1212114051.

It can be written as a sum of positive squares in 2 ways, for example, as 532917225 + 971194896 = 23085^2 + 31164^2 .

It is not a de Polignac number, because 1504112121 - 2¹¹ = 1504110073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1504112094 and 1504112103.

It is not an unprimeable number, because it can be changed into a prime (1504112131) 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, 82951 + ... + 99443.

It is an arithmetic number, because the mean of its divisors is an integer number (181079379).

Almost surely, 2^1504112121 is an apocalyptic number.

It is an amenable number.

1504112121 is a deficient number, since it is larger than the sum of its proper divisors (668840427).

1504112121 is a wasteful number, since it uses less digits than its factorization.

1504112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26632 (or 26629 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1504112121 is about 38782.8843821601. The cubic root of 1504112121 is about 1145.7593333423.

Adding to 1504112121 its reverse (1212114051), we get a palindrome (2716226172).

The spelling of 1504112121 in words is "one billion, five hundred four million, one hundred twelve thousand, one hundred twenty-one".