122467890 has 32 divisors (see below), whose sum is σ = 294243840. Its totient is φ = 32622464.

The previous prime is 122467883. The next prime is 122467897. The reversal of 122467890 is 98764221.

It is an interprime number because it is at equal distance from previous prime (122467883) and next prime (122467897).

It is not an unprimeable number, because it can be changed into a prime (122467897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37087 + ... + 40253.

It is an arithmetic number, because the mean of its divisors is an integer number (9195120).

Almost surely, 2^122467890 is an apocalyptic number.

122467890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122467890 is an abundant number, since it is smaller than the sum of its proper divisors (171775950).

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

122467890 is a wasteful number, since it uses less digits than its factorization.

122467890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4466.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 122467890 is about 11066.5211335812. The cubic root of 122467890 is about 496.6007965334.

The spelling of 122467890 in words is "one hundred twenty-two million, four hundred sixty-seven thousand, eight hundred ninety".