1427161100 has 18 divisors (see below), whose sum is σ = 3096939804. Its totient is φ = 570864400.

The previous prime is 1427161069. The next prime is 1427161111. The reversal of 1427161100 is 11617241.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7135706 + ... + 7135905.

Almost surely, 2^1427161100 is an apocalyptic number.

1427161100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427161100 is an abundant number, since it is smaller than the sum of its proper divisors (1669778704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1427161100 is a wasteful number, since it uses less digits than its factorization.

1427161100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14271625 (or 14271618 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 1427161100 is about 37777.7858006527. The cubic root of 1427161100 is about 1125.8771365153.

Adding to 1427161100 its reverse (11617241), we get a palindrome (1438778341).

The spelling of 1427161100 in words is "one billion, four hundred twenty-seven million, one hundred sixty-one thousand, one hundred".