121236770 has 16 divisors (see below), whose sum is σ = 219326400. Its totient is φ = 48250224.

The previous prime is 121236769. The next prime is 121236781. The reversal of 121236770 is 77632121.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28472 + ... + 32451.

It is an arithmetic number, because the mean of its divisors is an integer number (13707900).

Almost surely, 2^121236770 is an apocalyptic number.

121236770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121236770 is a deficient number, since it is larger than the sum of its proper divisors (98089630).

121236770 is a wasteful number, since it uses less digits than its factorization.

121236770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61129.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 121236770 is about 11010.7570130305. The cubic root of 121236770 is about 494.9311471079.

Adding to 121236770 its reverse (77632121), we get a palindrome (198868891).

The spelling of 121236770 in words is "one hundred twenty-one million, two hundred thirty-six thousand, seven hundred seventy".