1421042204 has 24 divisors (see below), whose sum is σ = 2535288000. Its totient is φ = 696795840.

The previous prime is 1421042197. The next prime is 1421042221. The reversal of 1421042204 is 4022401241.

It is a congruent number.

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, 31994 + ... + 62174.

It is an arithmetic number, because the mean of its divisors is an integer number (105637000).

Almost surely, 2^1421042204 is an apocalyptic number.

It is an amenable number.

1421042204 is a deficient number, since it is larger than the sum of its proper divisors (1114245796).

1421042204 is a wasteful number, since it uses less digits than its factorization.

1421042204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30413 (or 30411 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1421042204 is about 37696.7134376460. The cubic root of 1421042204 is about 1124.2657804132.

Adding to 1421042204 its reverse (4022401241), we get a palindrome (5443443445).

The spelling of 1421042204 in words is "one billion, four hundred twenty-one million, forty-two thousand, two hundred four".