1421531130 has 32 divisors (see below), whose sum is σ = 3442982400. Its totient is φ = 375596352.

The previous prime is 1421531107. The next prime is 1421531147. The reversal of 1421531130 is 311351241.

It is a junction number, because it is equal to n+sod(n) for n = 1421531097 and 1421531106.

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, 214090 + ... + 220629.

It is an arithmetic number, because the mean of its divisors is an integer number (107593200).

Almost surely, 2^1421531130 is an apocalyptic number.

1421531130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1421531130 is an abundant number, since it is smaller than the sum of its proper divisors (2021451270).

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

1421531130 is a wasteful number, since it uses less digits than its factorization.

1421531130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434838.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1421531130 is about 37703.1978749814. The cubic root of 1421531130 is about 1124.3947045084.

Adding to 1421531130 its reverse (311351241), we get a palindrome (1732882371).

The spelling of 1421531130 in words is "one billion, four hundred twenty-one million, five hundred thirty-one thousand, one hundred thirty".