129762002 has 4 divisors (see below), whose sum is σ = 194643006. Its totient is φ = 64881000.

The previous prime is 129761999. The next prime is 129762011. The reversal of 129762002 is 200267921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 110481121 + 19280881 = 10511^2 + 4391^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32440499 + ... + 32440502.

Almost surely, 2^129762002 is an apocalyptic number.

129762002 is a deficient number, since it is larger than the sum of its proper divisors (64881004).

129762002 is an equidigital number, since it uses as much as digits as its factorization.

129762002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64881003.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 129762002 is about 11391.3125670398. The cubic root of 129762002 is about 506.2703721518.

It can be divided in two parts, 12976 and 2002, that multiplied together give a palindrome (25977952).

The spelling of 129762002 in words is "one hundred twenty-nine million, seven hundred sixty-two thousand, two".