120406465142 has 4 divisors (see below), whose sum is σ = 180609697716. Its totient is φ = 60203232570.

The previous prime is 120406465129. The next prime is 120406465147. The reversal of 120406465142 is 241564604021.

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

It is a super-2 number, since 2×120406465142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120406465147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30101616284 + ... + 30101616287.

It is an arithmetic number, because the mean of its divisors is an integer number (45152424429).

Almost surely, 2^120406465142 is an apocalyptic number.

120406465142 is a deficient number, since it is larger than the sum of its proper divisors (60203232574).

120406465142 is an equidigital number, since it uses as much as digits as its factorization.

120406465142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60203232573.

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 120406465142 in words is "one hundred twenty billion, four hundred six million, four hundred sixty-five thousand, one hundred forty-two".