121207734 has 24 divisors (see below), whose sum is σ = 263362320. Its totient is φ = 40287888.

The previous prime is 121207729. The next prime is 121207741. The reversal of 121207734 is 437702121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121207698 and 121207707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2917 + ... + 15840.

It is an arithmetic number, because the mean of its divisors is an integer number (10973430).

Almost surely, 2^121207734 is an apocalyptic number.

121207734 is an abundant number, since it is smaller than the sum of its proper divisors (142154586).

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

121207734 is a wasteful number, since it uses less digits than its factorization.

121207734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19124 (or 19121 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 121207734 is about 11009.4384052957. The cubic root of 121207734 is about 494.8916322308.

Adding to 121207734 its reverse (437702121), we get a palindrome (558909855).

The spelling of 121207734 in words is "one hundred twenty-one million, two hundred seven thousand, seven hundred thirty-four".