980120402 has 8 divisors (see below), whose sum is σ = 1471640700. Its totient is φ = 489573504.

The previous prime is 980120389. The next prime is 980120437. The reversal of 980120402 is 204021089.

It can be written as a sum of positive squares in 2 ways, for example, as 876100801 + 104019601 = 29599^2 + 10199^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240827 + ... + 244862.

Almost surely, 2^980120402 is an apocalyptic number.

980120402 is a deficient number, since it is larger than the sum of its proper divisors (491520298).

980120402 is a wasteful number, since it uses less digits than its factorization.

980120402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486700.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 980120402 is about 31306.8746763391. The cubic root of 980120402 is about 993.3290649137.

It can be divided in two parts, 9801 and 20402, that added together give a palindrome (30203).

The spelling of 980120402 in words is "nine hundred eighty million, one hundred twenty thousand, four hundred two".