120954578 has 4 divisors (see below), whose sum is σ = 181431870. Its totient is φ = 60477288.

The previous prime is 120954577. The next prime is 120954601. The reversal of 120954578 is 875459021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 875459021 = 1699 ⋅515279.

It can be written as a sum of positive squares in only one way, i.e., 91718929 + 29235649 = 9577^2 + 5407^2 .

It is not an unprimeable number, because it can be changed into a prime (120954577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30238643 + ... + 30238646.

Almost surely, 2^120954578 is an apocalyptic number.

120954578 is a deficient number, since it is larger than the sum of its proper divisors (60477292).

120954578 is an equidigital number, since it uses as much as digits as its factorization.

120954578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60477291.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 120954578 is about 10997.9351698398. The cubic root of 120954578 is about 494.5468464457.

The spelling of 120954578 in words is "one hundred twenty million, nine hundred fifty-four thousand, five hundred seventy-eight".