121670706 has 16 divisors (see below), whose sum is σ = 246675744. Its totient is φ = 40001184.

The previous prime is 121670701. The next prime is 121670711. The reversal of 121670706 is 607076121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (121670701) and next prime (121670711).

It is not an unprimeable number, because it can be changed into a prime (121670701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138456 + ... + 139331.

It is an arithmetic number, because the mean of its divisors is an integer number (15417234).

Almost surely, 2^121670706 is an apocalyptic number.

121670706 is an abundant number, since it is smaller than the sum of its proper divisors (125005038).

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

121670706 is a wasteful number, since it uses less digits than its factorization.

121670706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277865.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 121670706 is about 11030.4445060025. Note that the first 3 decimals coincide. The cubic root of 121670706 is about 495.5209371370.

The spelling of 121670706 in words is "one hundred twenty-one million, six hundred seventy thousand, seven hundred six".