120542787 has 12 divisors (see below), whose sum is σ = 179734464. Its totient is φ = 77769360.

The previous prime is 120542777. The next prime is 120542789. The reversal of 120542787 is 787245021.

It is not a de Polignac number, because 120542787 - 2¹⁴ = 120526403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120542789) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215748 + ... + 216305.

It is an arithmetic number, because the mean of its divisors is an integer number (14977872).

Almost surely, 2^120542787 is an apocalyptic number.

120542787 is a deficient number, since it is larger than the sum of its proper divisors (59191677).

120542787 is a wasteful number, since it uses less digits than its factorization.

120542787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432090 (or 432087 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 120542787 is about 10979.1979215241. The cubic root of 120542787 is about 493.9849785354.

It can be divided in two parts, 12054 and 2787, that added together give a palindrome (14841).

The spelling of 120542787 in words is "one hundred twenty million, five hundred forty-two thousand, seven hundred eighty-seven".