1475349121 has 4 divisors (see below), whose sum is σ = 1475532544. Its totient is φ = 1475165700.

The previous prime is 1475349119. The next prime is 1475349143. The reversal of 1475349121 is 1219435741.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 1475349121 - 2¹ = 1475349119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1475379121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79065 + ... + 95926.

It is an arithmetic number, because the mean of its divisors is an integer number (368883136).

Almost surely, 2^1475349121 is an apocalyptic number.

It is an amenable number.

1475349121 is a deficient number, since it is larger than the sum of its proper divisors (183423).

1475349121 is an equidigital number, since it uses as much as digits as its factorization.

1475349121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183422.

The product of its digits is 30240, while the sum is 37.

The square root of 1475349121 is about 38410.2736387024. The cubic root of 1475349121 is about 1138.4088608117.

The spelling of 1475349121 in words is "one billion, four hundred seventy-five million, three hundred forty-nine thousand, one hundred twenty-one".