121150783 has 16 divisors (see below), whose sum is σ = 137737600. Its totient is φ = 105636960.

The previous prime is 121150751. The next prime is 121150787. The reversal of 121150783 is 387051121.

It is not a de Polignac number, because 121150783 - 2⁵ = 121150751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121150787) 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 15 ways as a sum of consecutive naturals, for example, 140608 + ... + 141466.

It is an arithmetic number, because the mean of its divisors is an integer number (8608600).

Almost surely, 2^121150783 is an apocalyptic number.

121150783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

121150783 is a deficient number, since it is larger than the sum of its proper divisors (16586817).

121150783 is a wasteful number, since it uses less digits than its factorization.

121150783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 121150783 is about 11006.8516388657. The cubic root of 121150783 is about 494.8141097057.

The spelling of 121150783 in words is "one hundred twenty-one million, one hundred fifty thousand, seven hundred eighty-three".