100320739 has 4 divisors (see below), whose sum is σ = 101258424. Its totient is φ = 99383056.

The previous prime is 100320707. The next prime is 100320749. The reversal of 100320739 is 937023001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 937023001 = 18523 ⋅50587.

It is a cyclic number.

It is not a de Polignac number, because 100320739 - 2⁵ = 100320707 is a prime.

It is a super-2 number, since 2×100320739² = 20128501347012242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100320749) by changing a digit.

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, 468682 + ... + 468895.

It is an arithmetic number, because the mean of its divisors is an integer number (25314606).

Almost surely, 2^100320739 is an apocalyptic number.

100320739 is a deficient number, since it is larger than the sum of its proper divisors (937685).

100320739 is an equidigital number, since it uses as much as digits as its factorization.

100320739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937684.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 100320739 is about 10016.0241113927. The cubic root of 100320739 is about 464.6545999399.

The spelling of 100320739 in words is "one hundred million, three hundred twenty thousand, seven hundred thirty-nine".