1203949073 has 2 divisors, whose sum is σ = 1203949074. Its totient is φ = 1203949072.

The previous prime is 1203949057. The next prime is 1203949093. The reversal of 1203949073 is 3709493021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 850772224 + 353176849 = 29168^2 + 18793^2 .

It is a cyclic number.

It is not a de Polignac number, because 1203949073 - 2⁴ = 1203949057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1203949093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601974536 + 601974537.

It is an arithmetic number, because the mean of its divisors is an integer number (601974537).

Almost surely, 2^1203949073 is an apocalyptic number.

It is an amenable number.

1203949073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1203949073 is an equidigital number, since it uses as much as digits as its factorization.

1203949073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 1203949073 is about 34697.9692921646. The cubic root of 1203949073 is about 1063.8229917469.

The spelling of 1203949073 in words is "one billion, two hundred three million, nine hundred forty-nine thousand, seventy-three".