120155434 has 16 divisors (see below), whose sum is σ = 206228736. Its totient is φ = 51433200.

The previous prime is 120155423. The next prime is 120155437. The reversal of 120155434 is 434551021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 120155399 and 120155408.

It is not an unprimeable number, because it can be changed into a prime (120155437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8044 + ... + 17464.

It is an arithmetic number, because the mean of its divisors is an integer number (12889296).

Almost surely, 2^120155434 is an apocalyptic number.

120155434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

120155434 is a deficient number, since it is larger than the sum of its proper divisors (86073302).

120155434 is an equidigital number, since it uses as much as digits as its factorization.

120155434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10341.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 120155434 is about 10961.5434132243. The cubic root of 120155434 is about 493.4552858762.

The spelling of 120155434 in words is "one hundred twenty million, one hundred fifty-five thousand, four hundred thirty-four".