1421242130 has 32 divisors (see below), whose sum is σ = 3189490560. Its totient is φ = 442984320.

The previous prime is 1421242103. The next prime is 1421242189. The reversal of 1421242130 is 312421241.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922115 + ... + 923654.

It is an arithmetic number, because the mean of its divisors is an integer number (99671580).

Almost surely, 2^1421242130 is an apocalyptic number.

1421242130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421242130 is an abundant number, since it is smaller than the sum of its proper divisors (1768248430).

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

1421242130 is a wasteful number, since it uses less digits than its factorization.

1421242130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845794.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1421242130 is about 37699.3651140175. The cubic root of 1421242130 is about 1124.3185021455.

Adding to 1421242130 its reverse (312421241), we get a palindrome (1733663371).

The spelling of 1421242130 in words is "one billion, four hundred twenty-one million, two hundred forty-two thousand, one hundred thirty".