126003901 has 2 divisors, whose sum is σ = 126003902. Its totient is φ = 126003900.

The previous prime is 126003893. The next prime is 126003923. The reversal of 126003901 is 109300621.

It is an a-pointer prime, because the next prime (126003923) can be obtained adding 126003901 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75238276 + 50765625 = 8674^2 + 7125^2 .

It is a cyclic number.

It is not a de Polignac number, because 126003901 - 2³ = 126003893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126003971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63001950 + 63001951.

It is an arithmetic number, because the mean of its divisors is an integer number (63001951).

Almost surely, 2^126003901 is an apocalyptic number.

It is an amenable number.

126003901 is a deficient number, since it is larger than the sum of its proper divisors (1).

126003901 is an equidigital number, since it uses as much as digits as its factorization.

126003901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 126003901 is about 11225.1459233277. The cubic root of 126003901 is about 501.3349672196.

The spelling of 126003901 in words is "one hundred twenty-six million, three thousand, nine hundred one".