122638247350 has 24 divisors (see below), whose sum is σ = 241525208808. Its totient is φ = 46169692800.

The previous prime is 122638247293. The next prime is 122638247351. The reversal of 122638247350 is 53742836221.

It is a junction number, because it is equal to n+sod(n) for n = 122638247297 and 122638247306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122638247351) 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, 72139296 + ... + 72140995.

It is an arithmetic number, because the mean of its divisors is an integer number (10063550367).

Almost surely, 2^122638247350 is an apocalyptic number.

122638247350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122638247350 is a deficient number, since it is larger than the sum of its proper divisors (118886961458).

122638247350 is a wasteful number, since it uses less digits than its factorization.

122638247350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144280320 (or 144280315 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 122638247350 in words is "one hundred twenty-two billion, six hundred thirty-eight million, two hundred forty-seven thousand, three hundred fifty".