121162403 has 2 divisors, whose sum is σ = 121162404. Its totient is φ = 121162402.

The previous prime is 121162387. The next prime is 121162427. The reversal of 121162403 is 304261121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121162403 - 2⁴ = 121162387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (121162463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60581201 + 60581202.

It is an arithmetic number, because the mean of its divisors is an integer number (60581202).

Almost surely, 2^121162403 is an apocalyptic number.

121162403 is a deficient number, since it is larger than the sum of its proper divisors (1).

121162403 is an equidigital number, since it uses as much as digits as its factorization.

121162403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 121162403 is about 11007.3794792403. The cubic root of 121162403 is about 494.8299289903.

The spelling of 121162403 in words is "one hundred twenty-one million, one hundred sixty-two thousand, four hundred three".