1298442133 has 8 divisors (see below), whose sum is σ = 1375774848. Its totient is φ = 1221215424.

The previous prime is 1298442113. The next prime is 1298442139. The reversal of 1298442133 is 3312448921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1298442133 is a prime.

It is a super-3 number, since 3×1298442133³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1298442092 and 1298442101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1298442139) 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, 541 + ... + 50962.

It is an arithmetic number, because the mean of its divisors is an integer number (171971856).

Almost surely, 2^1298442133 is an apocalyptic number.

It is an amenable number.

1298442133 is a deficient number, since it is larger than the sum of its proper divisors (77332715).

1298442133 is a wasteful number, since it uses less digits than its factorization.

1298442133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53003.

The product of its digits is 41472, while the sum is 37.

The square root of 1298442133 is about 36033.9025502373. The cubic root of 1298442133 is about 1090.9567485541.

The spelling of 1298442133 in words is "one billion, two hundred ninety-eight million, four hundred forty-two thousand, one hundred thirty-three".