1374530121 has 32 divisors (see below), whose sum is σ = 2163283200. Its totient is φ = 859587840.

The previous prime is 1374530099. The next prime is 1374530123. The reversal of 1374530121 is 1210354731.

1374530121 is a `hidden beast` number, since 1 + 3 + 7 + 4 + 530 + 121 = 666.

It is not a de Polignac number, because 1374530121 - 2⁹ = 1374529609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1374530123) 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, 137935 + ... + 147563.

It is an arithmetic number, because the mean of its divisors is an integer number (67602600).

Almost surely, 2^1374530121 is an apocalyptic number.

It is an amenable number.

1374530121 is a deficient number, since it is larger than the sum of its proper divisors (788753079).

1374530121 is a wasteful number, since it uses less digits than its factorization.

1374530121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9966 (or 9960 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1374530121 is about 37074.6560469548. The cubic root of 1374530121 is about 1111.8633639998.

Adding to 1374530121 its reverse (1210354731), we get a palindrome (2584884852).

The spelling of 1374530121 in words is "one billion, three hundred seventy-four million, five hundred thirty thousand, one hundred twenty-one".