2151002 has 24 divisors (see below), whose sum is σ = 3841344. Its totient is φ = 900312.

The previous prime is 2151001. The next prime is 2151007. The reversal of 2151002 is 2001512.

It is not an unprimeable number, because it can be changed into a prime (2151001) 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, 4373 + ... + 4839.

It is an arithmetic number, because the mean of its divisors is an integer number (160056).

2^2151002 is an apocalyptic number.

2151002 is a deficient number, since it is larger than the sum of its proper divisors (1690342).

2151002 is a wasteful number, since it uses less digits than its factorization.

2151002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 2151002 is about 1466.6294692253. The cubic root of 2151002 is about 129.0863352512.

Adding to 2151002 its reverse (2001512), we get a palindrome (4152514).

The spelling of 2151002 in words is "two million, one hundred fifty-one thousand, two".