1293454997 has 8 divisors (see below), whose sum is σ = 1300455936. Its totient is φ = 1286466912.

The previous prime is 1293454973. The next prime is 1293455017. The reversal of 1293454997 is 7994543921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1293454997 - 2¹⁴ = 1293438613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293454937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250718 + ... + 255824.

It is an arithmetic number, because the mean of its divisors is an integer number (162556992).

Almost surely, 2^1293454997 is an apocalyptic number.

It is an amenable number.

1293454997 is a deficient number, since it is larger than the sum of its proper divisors (7000939).

1293454997 is a wasteful number, since it uses less digits than its factorization.

1293454997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6427.

The product of its digits is 2449440, while the sum is 53.

The square root of 1293454997 is about 35964.6353658702. The cubic root of 1293454997 is about 1089.5582186903.

The spelling of 1293454997 in words is "one billion, two hundred ninety-three million, four hundred fifty-four thousand, nine hundred ninety-seven".