121706426 has 8 divisors (see below), whose sum is σ = 186805344. Its totient is φ = 59437980.

The previous prime is 121706423. The next prime is 121706437. The reversal of 121706426 is 624607121.

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

It is not an unprimeable number, because it can be changed into a prime (121706423) 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, 707510 + ... + 707681.

It is an arithmetic number, because the mean of its divisors is an integer number (23350668).

Almost surely, 2^121706426 is an apocalyptic number.

121706426 is a deficient number, since it is larger than the sum of its proper divisors (65098918).

121706426 is a wasteful number, since it uses less digits than its factorization.

121706426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415236.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 121706426 is about 11032.0635422390. The cubic root of 121706426 is about 495.5694239548.

The spelling of 121706426 in words is "one hundred twenty-one million, seven hundred six thousand, four hundred twenty-six".