120155231542 has 8 divisors (see below), whose sum is σ = 182514276000. Its totient is φ = 59317139544.

The previous prime is 120155231531. The next prime is 120155231543. The reversal of 120155231542 is 245132551021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120155231543) 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, 380237917 + ... + 380238232.

It is an arithmetic number, because the mean of its divisors is an integer number (22814284500).

Almost surely, 2^120155231542 is an apocalyptic number.

120155231542 is a deficient number, since it is larger than the sum of its proper divisors (62359044458).

120155231542 is an equidigital number, since it uses as much as digits as its factorization.

120155231542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760476230.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 120155231542 its reverse (245132551021), we get a palindrome (365287782563).

The spelling of 120155231542 in words is "one hundred twenty billion, one hundred fifty-five million, two hundred thirty-one thousand, five hundred forty-two".