1300264478 has 4 divisors (see below), whose sum is σ = 1950396720. Its totient is φ = 650132238.

The previous prime is 1300264477. The next prime is 1300264507. The reversal of 1300264478 is 8744620031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8744620031 = 7 ⋅1249231433.

It is a super-2 number, since 2×1300264478² = 3381375425497224968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300264477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325066118 + ... + 325066121.

It is an arithmetic number, because the mean of its divisors is an integer number (487599180).

Almost surely, 2^1300264478 is an apocalyptic number.

1300264478 is a deficient number, since it is larger than the sum of its proper divisors (650132242).

1300264478 is an equidigital number, since it uses as much as digits as its factorization.

1300264478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650132241.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 1300264478 is about 36059.1802180804. The cubic root of 1300264478 is about 1091.4668907110.

The spelling of 1300264478 in words is "one billion, three hundred million, two hundred sixty-four thousand, four hundred seventy-eight".