1021140002 has 8 divisors (see below), whose sum is σ = 1537240476. Its totient is φ = 508726512.

The previous prime is 1021139983. The next prime is 1021140041. The reversal of 1021140002 is 2000411201.

It can be written as a sum of positive squares in 2 ways, for example, as 987279241 + 33860761 = 31421^2 + 5819^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 921053 + ... + 922160.

Almost surely, 2^1021140002 is an apocalyptic number.

1021140002 is a deficient number, since it is larger than the sum of its proper divisors (516100474).

1021140002 is a wasteful number, since it uses less digits than its factorization.

1021140002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843492.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1021140002 is about 31955.2812849457. The cubic root of 1021140002 is about 1006.9975868958.

Adding to 1021140002 its reverse (2000411201), we get a palindrome (3021551203).

The spelling of 1021140002 in words is "one billion, twenty-one million, one hundred forty thousand, two".