1298544426 has 32 divisors (see below), whose sum is σ = 2985163200. Its totient is φ = 417921840.

The previous prime is 1298544389. The next prime is 1298544427. The reversal of 1298544426 is 6244458921.

It is a happy number.

1298544426 is a `hidden beast` number, since 12 + 98 + 544 + 4 + 2 + 6 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1298544427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 413040 + ... + 416171.

It is an arithmetic number, because the mean of its divisors is an integer number (93286350).

Almost surely, 2^1298544426 is an apocalyptic number.

1298544426 is an abundant number, since it is smaller than the sum of its proper divisors (1686618774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1298544426 is a wasteful number, since it uses less digits than its factorization.

1298544426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829251 (or 829245 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 1298544426 is about 36035.3219216923. The cubic root of 1298544426 is about 1090.9853968102.

The spelling of 1298544426 in words is "one billion, two hundred ninety-eight million, five hundred forty-four thousand, four hundred twenty-six".