1021413430 has 16 divisors (see below), whose sum is σ = 1846177344. Its totient is φ = 406869120.

The previous prime is 1021413413. The next prime is 1021413433. The reversal of 1021413430 is 343141201.

It is a junction number, because it is equal to n+sod(n) for n = 1021413398 and 1021413407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021413433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209502 + ... + 214321.

It is an arithmetic number, because the mean of its divisors is an integer number (115386084).

Almost surely, 2^1021413430 is an apocalyptic number.

1021413430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1021413430 is a deficient number, since it is larger than the sum of its proper divisors (824763914).

1021413430 is a wasteful number, since it uses less digits than its factorization.

1021413430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424071.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1021413430 is about 31959.5592898275. The cubic root of 1021413430 is about 1007.0874592488.

Adding to 1021413430 its reverse (343141201), we get a palindrome (1364554631).

The spelling of 1021413430 in words is "one billion, twenty-one million, four hundred thirteen thousand, four hundred thirty".