122987346 has 16 divisors (see below), whose sum is σ = 250007808. Its totient is φ = 40323600.

The previous prime is 122987341. The next prime is 122987369. The reversal of 122987346 is 643789221.

It is a super-2 number, since 2×122987346² = 30251774552247432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122987298 and 122987307.

It is not an unprimeable number, because it can be changed into a prime (122987341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167650 + ... + 168381.

It is an arithmetic number, because the mean of its divisors is an integer number (15625488).

Almost surely, 2^122987346 is an apocalyptic number.

122987346 is an abundant number, since it is smaller than the sum of its proper divisors (127020462).

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

122987346 is a wasteful number, since it uses less digits than its factorization.

122987346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336097.

The product of its digits is 145152, while the sum is 42.

The square root of 122987346 is about 11089.9660053582. The cubic root of 122987346 is about 497.3019283398.

The spelling of 122987346 in words is "one hundred twenty-two million, nine hundred eighty-seven thousand, three hundred forty-six".