1298894025 has 96 divisors (see below), whose sum is σ = 2541837312. Its totient is φ = 576979200.

The previous prime is 1298893987. The next prime is 1298894033. The reversal of 1298894025 is 5204988921.

1298894025 = T₁₆₉₈₅ + T₁₆₉₈₆ + ... + T₁₆₉₉₃.

1298894025 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1298894025 - 2¹² = 1298889929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1747804 + ... + 1748546.

It is an arithmetic number, because the mean of its divisors is an integer number (26477472).

Almost surely, 2^1298894025 is an apocalyptic number.

1298894025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1298894025 is a deficient number, since it is larger than the sum of its proper divisors (1242943287).

1298894025 is a wasteful number, since it uses less digits than its factorization.

1298894025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 1298894025 is about 36040.1723775012. The cubic root of 1298894025 is about 1091.0832944186.

The spelling of 1298894025 in words is "one billion, two hundred ninety-eight million, eight hundred ninety-four thousand, twenty-five".