120669542 has 16 divisors (see below), whose sum is σ = 207463200. Its totient is φ = 51565248.

The previous prime is 120669533. The next prime is 120669557. The reversal of 120669542 is 245966021.

It is a happy number.

It is a super-4 number, since 4×120669542⁴ (a number of 33 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7463 + ... + 17234.

It is an arithmetic number, because the mean of its divisors is an integer number (12966450).

Almost surely, 2^120669542 is an apocalyptic number.

120669542 is a deficient number, since it is larger than the sum of its proper divisors (86793658).

120669542 is a wasteful number, since it uses less digits than its factorization.

120669542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25055.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 120669542 is about 10984.9689121089. The cubic root of 120669542 is about 494.1580654340.

The spelling of 120669542 in words is "one hundred twenty million, six hundred sixty-nine thousand, five hundred forty-two".