1021412402 has 8 divisors (see below), whose sum is σ = 1533366912. Its totient is φ = 510290100.

The previous prime is 1021412401. The next prime is 1021412407. The reversal of 1021412402 is 2042141201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1021412401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204974 + ... + 209897.

It is an arithmetic number, because the mean of its divisors is an integer number (191670864).

Almost surely, 2^1021412402 is an apocalyptic number.

1021412402 is a deficient number, since it is larger than the sum of its proper divisors (511954510).

1021412402 is a wasteful number, since it uses less digits than its factorization.

1021412402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416104.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1021412402 is about 31959.5432069984. The cubic root of 1021412402 is about 1007.0871213881.

Adding to 1021412402 its reverse (2042141201), we get a palindrome (3063553603).

The spelling of 1021412402 in words is "one billion, twenty-one million, four hundred twelve thousand, four hundred two".