1421200124 has 12 divisors (see below), whose sum is σ = 2493770664. Its totient is φ = 708694224.

The previous prime is 1421200103. The next prime is 1421200139. The reversal of 1421200124 is 4210021241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 474782 + ... + 477765.

It is an arithmetic number, because the mean of its divisors is an integer number (207814222).

Almost surely, 2^1421200124 is an apocalyptic number.

It is an amenable number.

1421200124 is a deficient number, since it is larger than the sum of its proper divisors (1072570540).

1421200124 is a wasteful number, since it uses less digits than its factorization.

1421200124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952924 (or 952922 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1421200124 is about 37698.8079917655. The cubic root of 1421200124 is about 1124.3074253118.

Adding to 1421200124 its reverse (4210021241), we get a palindrome (5631221365).

The spelling of 1421200124 in words is "one billion, four hundred twenty-one million, two hundred thousand, one hundred twenty-four".