122829390 has 24 divisors (see below), whose sum is σ = 319356648. Its totient is φ = 32754480.

The previous prime is 122829389. The next prime is 122829391. The reversal of 122829390 is 93928221.

It is an interprime number because it is at equal distance from previous prime (122829389) and next prime (122829391).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122829391) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 682296 + ... + 682475.

It is an arithmetic number, because the mean of its divisors is an integer number (13306527).

Almost surely, 2^122829390 is an apocalyptic number.

122829390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122829390 is an abundant number, since it is smaller than the sum of its proper divisors (196527258).

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

122829390 is a wasteful number, since it uses less digits than its factorization.

122829390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364784 (or 1364781 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 122829390 is about 11082.8421445043. The cubic root of 122829390 is about 497.0889376576.

The spelling of 122829390 in words is "one hundred twenty-two million, eight hundred twenty-nine thousand, three hundred ninety".