121261742 has 8 divisors (see below), whose sum is σ = 207877296. Its totient is φ = 51969312.

The previous prime is 121261729. The next prime is 121261757. The reversal of 121261742 is 247162121.

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

It is a congruent number.

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, 4330763 + ... + 4330790.

It is an arithmetic number, because the mean of its divisors is an integer number (25984662).

Almost surely, 2^121261742 is an apocalyptic number.

121261742 is a deficient number, since it is larger than the sum of its proper divisors (86615554).

121261742 is an equidigital number, since it uses as much as digits as its factorization.

121261742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8661562.

The product of its digits is 1344, while the sum is 26.

The square root of 121261742 is about 11011.8909366194. The cubic root of 121261742 is about 494.9651262715.

The spelling of 121261742 in words is "one hundred twenty-one million, two hundred sixty-one thousand, seven hundred forty-two".