121007263 has 8 divisors (see below), whose sum is σ = 131534928. Its totient is φ = 110653824.

The previous prime is 121007261. The next prime is 121007267. The reversal of 121007263 is 362700121.

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

It is a cyclic number.

It is not a de Polignac number, because 121007263 - 2¹ = 121007261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121007261) 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 7 ways as a sum of consecutive naturals, for example, 42106 + ... + 44887.

It is an arithmetic number, because the mean of its divisors is an integer number (16441866).

Almost surely, 2^121007263 is an apocalyptic number.

121007263 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121007263 is a deficient number, since it is larger than the sum of its proper divisors (10527665).

121007263 is a wasteful number, since it uses less digits than its factorization.

121007263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87113.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 121007263 is about 11000.3301314097. The cubic root of 121007263 is about 494.6186403894.

Adding to 121007263 its reverse (362700121), we get a palindrome (483707384).

The spelling of 121007263 in words is "one hundred twenty-one million, seven thousand, two hundred sixty-three".