1874473121 has 2 divisors, whose sum is σ = 1874473122. Its totient is φ = 1874473120.

The previous prime is 1874473103. The next prime is 1874473141. The reversal of 1874473121 is 1213744781.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1812630625 + 61842496 = 42575^2 + 7864^2 .

It is a cyclic number.

It is not a de Polignac number, because 1874473121 - 2¹⁰ = 1874472097 is a prime.

It is not a weakly prime, because it can be changed into another prime (1874473141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 937236560 + 937236561.

It is an arithmetic number, because the mean of its divisors is an integer number (937236561).

Almost surely, 2^1874473121 is an apocalyptic number.

It is an amenable number.

1874473121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1874473121 is an equidigital number, since it uses as much as digits as its factorization.

1874473121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 38.

The square root of 1874473121 is about 43295.1858871168. The cubic root of 1874473121 is about 1232.9905245358.

The spelling of 1874473121 in words is "one billion, eight hundred seventy-four million, four hundred seventy-three thousand, one hundred twenty-one".