1427120451100 has 36 divisors (see below), whose sum is σ = 3168871187944. Its totient is φ = 557572639680.

The previous prime is 1427120451089. The next prime is 1427120451101. The reversal of 1427120451100 is 11540217241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1427120451101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165939939 + ... + 165948538.

Almost surely, 2^{1427120451100} is an apocalyptic number.

1427120451100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1427120451100 is an abundant number, since it is smaller than the sum of its proper divisors (1741750736844).

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

1427120451100 is a wasteful number, since it uses less digits than its factorization.

1427120451100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331888534 (or 331888527 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

Adding to 1427120451100 its reverse (11540217241), we get a palindrome (1438660668341).

The spelling of 1427120451100 in words is "one trillion, four hundred twenty-seven billion, one hundred twenty million, four hundred fifty-one thousand, one hundred".