1242119003 has 2 divisors, whose sum is σ = 1242119004. Its totient is φ = 1242119002.

The previous prime is 1242118993. The next prime is 1242119009. The reversal of 1242119003 is 3009112421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1242119003 is a prime.

It is a super-2 number, since 2×1242119003² = 3085719235227428018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1242119003.

It is not a weakly prime, because it can be changed into another prime (1242119009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621059501 + 621059502.

It is an arithmetic number, because the mean of its divisors is an integer number (621059502).

Almost surely, 2^1242119003 is an apocalyptic number.

1242119003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242119003 is an equidigital number, since it uses as much as digits as its factorization.

1242119003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 1242119003 is about 35243.7087009866. The cubic root of 1242119003 is about 1074.9486914037.

The spelling of 1242119003 in words is "one billion, two hundred forty-two million, one hundred nineteen thousand, three".