120978119 has 4 divisors (see below), whose sum is σ = 122088120. Its totient is φ = 119868120.

The previous prime is 120978083. The next prime is 120978127. The reversal of 120978119 is 911879021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 911879021 = 173 ⋅5270977.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120978119 is a prime.

It is a super-2 number, since 2×120978119² = 29271410553556322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120978199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554837 + ... + 555054.

It is an arithmetic number, because the mean of its divisors is an integer number (30522030).

Almost surely, 2^120978119 is an apocalyptic number.

120978119 is a deficient number, since it is larger than the sum of its proper divisors (1110001).

120978119 is a wasteful number, since it uses less digits than its factorization.

120978119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110000.

The product of its (nonzero) digits is 9072, while the sum is 38.

The square root of 120978119 is about 10999.0053641227. The cubic root of 120978119 is about 494.5789283845.

The spelling of 120978119 in words is "one hundred twenty million, nine hundred seventy-eight thousand, one hundred nineteen".