1427858481 has 24 divisors (see below), whose sum is σ = 2286084864. Its totient is φ = 789596640.

The previous prime is 1427858459. The next prime is 1427858503. The reversal of 1427858481 is 1848587241.

It is an interprime number because it is at equal distance from previous prime (1427858459) and next prime (1427858503).

It is not a de Polignac number, because 1427858481 - 2⁷ = 1427858353 is a prime.

It is a super-2 number, since 2×1427858481² = 4077559683527254722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1427858481.

It is not an unprimeable number, because it can be changed into a prime (1427858401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152110 + ... + 161223.

It is an arithmetic number, because the mean of its divisors is an integer number (95253536).

Almost surely, 2^1427858481 is an apocalyptic number.

It is an amenable number.

1427858481 is a deficient number, since it is larger than the sum of its proper divisors (858226383).

1427858481 is a wasteful number, since it uses less digits than its factorization.

1427858481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313381 (or 313374 counting only the distinct ones).

The product of its digits is 573440, while the sum is 48.

The square root of 1427858481 is about 37787.0147140522. The cubic root of 1427858481 is about 1126.0604929395.

The spelling of 1427858481 in words is "one billion, four hundred twenty-seven million, eight hundred fifty-eight thousand, four hundred eighty-one".