1202987923 has 2 divisors, whose sum is σ = 1202987924. Its totient is φ = 1202987922.

The previous prime is 1202987899. The next prime is 1202987927. The reversal of 1202987923 is 3297892021.

It is a strong prime.

It is an emirp because it is prime and its reverse (3297892021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1202987923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1202987923.

It is not a weakly prime, because it can be changed into another prime (1202987927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601493961 + 601493962.

It is an arithmetic number, because the mean of its divisors is an integer number (601493962).

Almost surely, 2^1202987923 is an apocalyptic number.

1202987923 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202987923 is an equidigital number, since it uses as much as digits as its factorization.

1202987923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 1202987923 is about 34684.1162926202. The cubic root of 1202987923 is about 1063.5398220491.

The spelling of 1202987923 in words is "one billion, two hundred two million, nine hundred eighty-seven thousand, nine hundred twenty-three".