1297228801 has 4 divisors (see below), whose sum is σ = 1415158704. Its totient is φ = 1179298900.

The previous prime is 1297228789. The next prime is 1297228837. The reversal of 1297228801 is 1088227921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1297228801 - 2¹⁷ = 1297097729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1297228871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58964935 + ... + 58964956.

It is an arithmetic number, because the mean of its divisors is an integer number (353789676).

Almost surely, 2^1297228801 is an apocalyptic number.

1297228801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1297228801 is a deficient number, since it is larger than the sum of its proper divisors (117929903).

1297228801 is a wasteful number, since it uses less digits than its factorization.

1297228801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117929902.

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 1297228801 is about 36017.0626370336. The cubic root of 1297228801 is about 1090.6168270376.

The spelling of 1297228801 in words is "one billion, two hundred ninety-seven million, two hundred twenty-eight thousand, eight hundred one".