122155030 has 16 divisors (see below), whose sum is σ = 232813440. Its totient is φ = 45987712.

The previous prime is 122155027. The next prime is 122155037. The reversal of 122155030 is 30551221.

It is a junction number, because it is equal to n+sod(n) for n = 122154989 and 122155007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122155037) 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, 359110 + ... + 359449.

It is an arithmetic number, because the mean of its divisors is an integer number (14550840).

Almost surely, 2^122155030 is an apocalyptic number.

122155030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122155030 is a deficient number, since it is larger than the sum of its proper divisors (110658410).

122155030 is a wasteful number, since it uses less digits than its factorization.

122155030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718583.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 122155030 is about 11052.3766674865. The cubic root of 122155030 is about 496.1775590232.

The spelling of 122155030 in words is "one hundred twenty-two million, one hundred fifty-five thousand, thirty".