1430121402 has 24 divisors (see below), whose sum is σ = 3099676320. Its totient is φ = 476541000.

The previous prime is 1430121401. The next prime is 1430121403. The reversal of 1430121402 is 2041210341.

1430121402 is a `hidden beast` number, since 143 + 0 + 121 + 402 = 666.

It is an interprime number because it is at equal distance from previous prime (1430121401) and next prime (1430121403).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1430121401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46299 + ... + 70737.

It is an arithmetic number, because the mean of its divisors is an integer number (129153180).

Almost surely, 2^1430121402 is an apocalyptic number.

1430121402 is an abundant number, since it is smaller than the sum of its proper divisors (1669554918).

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

1430121402 is a wasteful number, since it uses less digits than its factorization.

1430121402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27698 (or 27695 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1430121402 is about 37816.9459634170. The cubic root of 1430121402 is about 1126.6550525551.

Adding to 1430121402 its reverse (2041210341), we get a palindrome (3471331743).

The spelling of 1430121402 in words is "one billion, four hundred thirty million, one hundred twenty-one thousand, four hundred two".