1427102169 has 4 divisors (see below), whose sum is σ = 1902802896. Its totient is φ = 951401444.

The previous prime is 1427102167. The next prime is 1427102177. The reversal of 1427102169 is 9612017241.

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 1427102169 - 2¹ = 1427102167 is a prime.

It is a super-2 number, since 2×1427102169² = 4073241201529009122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1427102167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237850359 + ... + 237850364.

It is an arithmetic number, because the mean of its divisors is an integer number (475700724).

Almost surely, 2^1427102169 is an apocalyptic number.

It is an amenable number.

1427102169 is a deficient number, since it is larger than the sum of its proper divisors (475700727).

1427102169 is an equidigital number, since it uses as much as digits as its factorization.

1427102169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475700726.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1427102169 is about 37777.0058236489. The cubic root of 1427102169 is about 1125.8616395545.

The spelling of 1427102169 in words is "one billion, four hundred twenty-seven million, one hundred two thousand, one hundred sixty-nine".