1263426097 has 2 divisors, whose sum is σ = 1263426098. Its totient is φ = 1263426096.

The previous prime is 1263426091. The next prime is 1263426103. The reversal of 1263426097 is 7906243621.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1263426091) and next prime (1263426103).

It can be written as a sum of positive squares in only one way, i.e., 649179441 + 614246656 = 25479^2 + 24784^2 .

It is a cyclic number.

It is not a de Polignac number, because 1263426097 - 2²³ = 1255037489 is a prime.

It is not a weakly prime, because it can be changed into another prime (1263426091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 631713048 + 631713049.

It is an arithmetic number, because the mean of its divisors is an integer number (631713049).

Almost surely, 2^1263426097 is an apocalyptic number.

It is an amenable number.

1263426097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1263426097 is an equidigital number, since it uses as much as digits as its factorization.

1263426097 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 40.

The square root of 1263426097 is about 35544.7056113847. The cubic root of 1263426097 is about 1081.0603717392.

The spelling of 1263426097 in words is "one billion, two hundred sixty-three million, four hundred twenty-six thousand, ninety-seven".