122293530 has 128 divisors (see below), whose sum is σ = 348364800. Its totient is φ = 30457152.

The previous prime is 122293513. The next prime is 122293571. The reversal of 122293530 is 35392221.

122293530 is a `hidden beast` number, since 122 + 2 + 9 + 3 + 530 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122293494 and 122293503.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 291661 + ... + 292079.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^122293530 is an apocalyptic number.

122293530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 122293530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174182400).

122293530 is an abundant number, since it is smaller than the sum of its proper divisors (226071270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122293530 is a wasteful number, since it uses less digits than its factorization.

122293530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 122293530 is about 11058.6405131915. The cubic root of 122293530 is about 496.3650110840.

The spelling of 122293530 in words is "one hundred twenty-two million, two hundred ninety-three thousand, five hundred thirty".