122670742 has 8 divisors (see below), whose sum is σ = 194830056. Its totient is φ = 57727392.

The previous prime is 122670731. The next prime is 122670749. The reversal of 122670742 is 247076221.

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

It is a super-2 number, since 2×122670742² = 30096221885661128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122670749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803948 + ... + 1804015.

It is an arithmetic number, because the mean of its divisors is an integer number (24353757).

Almost surely, 2^122670742 is an apocalyptic number.

122670742 is a deficient number, since it is larger than the sum of its proper divisors (72159314).

122670742 is a wasteful number, since it uses less digits than its factorization.

122670742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3607982.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 122670742 is about 11075.6824620427. The cubic root of 122670742 is about 496.8748299882.

The spelling of 122670742 in words is "one hundred twenty-two million, six hundred seventy thousand, seven hundred forty-two".