121577043 has 8 divisors (see below), whose sum is σ = 185260288. Its totient is φ = 69472584.

The previous prime is 121577041. The next prime is 121577051. The reversal of 121577043 is 340775121.

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

It is not a de Polignac number, because 121577043 - 2¹ = 121577041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121577043.

It is not an unprimeable number, because it can be changed into a prime (121577041) 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, 2894671 + ... + 2894712.

It is an arithmetic number, because the mean of its divisors is an integer number (23157536).

Almost surely, 2^121577043 is an apocalyptic number.

121577043 is a deficient number, since it is larger than the sum of its proper divisors (63683245).

121577043 is an equidigital number, since it uses as much as digits as its factorization.

121577043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5789393.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 121577043 is about 11026.1980301462. The cubic root of 121577043 is about 495.3937526142.

The spelling of 121577043 in words is "one hundred twenty-one million, five hundred seventy-seven thousand, forty-three".