1421200122 has 16 divisors (see below), whose sum is σ = 2842853952. Its totient is φ = 473657760.

The previous prime is 1421200103. The next prime is 1421200139. The reversal of 1421200122 is 2210021241.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32622 + ... + 62502.

It is an arithmetic number, because the mean of its divisors is an integer number (177678372).

Almost surely, 2^1421200122 is an apocalyptic number.

1421200122 is an abundant number, since it is smaller than the sum of its proper divisors (1421653830).

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

1421200122 is a wasteful number, since it uses less digits than its factorization.

1421200122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37813.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1421200122 is about 37698.8079652394. The cubic root of 1421200122 is about 1124.3074247844.

Adding to 1421200122 its reverse (2210021241), we get a palindrome (3631221363).

The spelling of 1421200122 in words is "one billion, four hundred twenty-one million, two hundred thousand, one hundred twenty-two".