120149782 has 4 divisors (see below), whose sum is σ = 180224676. Its totient is φ = 60074890.

The previous prime is 120149779. The next prime is 120149789. The reversal of 120149782 is 287941021.

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

It is a super-2 number, since 2×120149782² = 28871940229295048, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120149789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30037444 + ... + 30037447.

It is an arithmetic number, because the mean of its divisors is an integer number (45056169).

Almost surely, 2^120149782 is an apocalyptic number.

120149782 is a deficient number, since it is larger than the sum of its proper divisors (60074894).

120149782 is an equidigital number, since it uses as much as digits as its factorization.

120149782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60074893.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 120149782 is about 10961.2855997825. The cubic root of 120149782 is about 493.4475485288.

The spelling of 120149782 in words is "one hundred twenty million, one hundred forty-nine thousand, seven hundred eighty-two".