122436406 has 8 divisors (see below), whose sum is σ = 191639664. Its totient is φ = 58556520.

The previous prime is 122436401. The next prime is 122436421. The reversal of 122436406 is 604634221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122436401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1330785 + ... + 1330876.

It is an arithmetic number, because the mean of its divisors is an integer number (23954958).

Almost surely, 2^122436406 is an apocalyptic number.

122436406 is a deficient number, since it is larger than the sum of its proper divisors (69203258).

122436406 is a wasteful number, since it uses less digits than its factorization.

122436406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2661686.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 122436406 is about 11065.0985535602. The cubic root of 122436406 is about 496.5582375697.

The spelling of 122436406 in words is "one hundred twenty-two million, four hundred thirty-six thousand, four hundred six".