1002012051 has 8 divisors (see below), whose sum is σ = 1336163584. Its totient is φ = 667934280.

The previous prime is 1002012017. The next prime is 1002012071. The reversal of 1002012051 is 1502102001.

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

It is not a de Polignac number, because 1002012051 - 2⁹ = 1002011539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002012071) 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, 37530 + ... + 58416.

It is an arithmetic number, because the mean of its divisors is an integer number (167020448).

Almost surely, 2^1002012051 is an apocalyptic number.

1002012051 is a deficient number, since it is larger than the sum of its proper divisors (334151533).

1002012051 is a wasteful number, since it uses less digits than its factorization.

1002012051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36881.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 1002012051 is about 31654.5739348992. The cubic root of 1002012051 is about 1000.6702343522.

Adding to 1002012051 its reverse (1502102001), we get a palindrome (2504114052).

The spelling of 1002012051 in words is "one billion, two million, twelve thousand, fifty-one".