1421206056 has 48 divisors (see below), whose sum is σ = 3876818400. Its totient is φ = 470323872.

The previous prime is 1421206019. The next prime is 1421206057. The reversal of 1421206056 is 6506021241.

1421206056 is a `hidden beast` number, since 1 + 42 + 12 + 0 + 605 + 6 = 666.

It is a super-2 number, since 2×1421206056² = 4039653307222150272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1421206057) 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, 60996 + ... + 81011.

It is an arithmetic number, because the mean of its divisors is an integer number (80767050).

Almost surely, 2^1421206056 is an apocalyptic number.

It is an amenable number.

1421206056 is an abundant number, since it is smaller than the sum of its proper divisors (2455612344).

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

1421206056 is a wasteful number, since it uses less digits than its factorization.

1421206056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142158 (or 142151 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1421206056 is about 37698.8866679110. The cubic root of 1421206056 is about 1124.3089895725.

Adding to 1421206056 its reverse (6506021241), we get a palindrome (7927227297).

The spelling of 1421206056 in words is "one billion, four hundred twenty-one million, two hundred six thousand, fifty-six".