122637530 has 8 divisors (see below), whose sum is σ = 220747572. Its totient is φ = 49055008.

The previous prime is 122637521. The next prime is 122637547. The reversal of 122637530 is 35736221.

It can be written as a sum of positive squares in 2 ways, for example, as 116402521 + 6235009 = 10789^2 + 2497^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×122637530³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122637493 and 122637502.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6131867 + ... + 6131886.

Almost surely, 2^122637530 is an apocalyptic number.

122637530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122637530 is a deficient number, since it is larger than the sum of its proper divisors (98110042).

122637530 is a wasteful number, since it uses less digits than its factorization.

122637530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12263760.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 122637530 is about 11074.1830398454. The cubic root of 122637530 is about 496.8299844771.

The spelling of 122637530 in words is "one hundred twenty-two million, six hundred thirty-seven thousand, five hundred thirty".