1002132123 has 16 divisors (see below), whose sum is σ = 1366248576. Its totient is φ = 653218560.

The previous prime is 1002132119. The next prime is 1002132137. The reversal of 1002132123 is 3212312001.

It is not a de Polignac number, because 1002132123 - 2² = 1002132119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1002132023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3408 + ... + 44898.

It is an arithmetic number, because the mean of its divisors is an integer number (85390536).

Almost surely, 2^1002132123 is an apocalyptic number.

1002132123 is a deficient number, since it is larger than the sum of its proper divisors (364116453).

1002132123 is an equidigital number, since it uses as much as digits as its factorization.

1002132123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41674.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1002132123 is about 31656.4704760338. The cubic root of 1002132123 is about 1000.7102031587.

Adding to 1002132123 its reverse (3212312001), we get a palindrome (4214444124).

The spelling of 1002132123 in words is "one billion, two million, one hundred thirty-two thousand, one hundred twenty-three".