1298451546 has 48 divisors (see below), whose sum is σ = 3334304064. Its totient is φ = 370985184.

The previous prime is 1298451541. The next prime is 1298451569. The reversal of 1298451546 is 6451548921.

1298451546 is a `hidden beast` number, since 1 + 2 + 98 + 4 + 515 + 46 = 666.

It is not an unprimeable number, because it can be changed into a prime (1298451541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187435 + ... + 194238.

It is an arithmetic number, because the mean of its divisors is an integer number (69464668).

Almost surely, 2^1298451546 is an apocalyptic number.

1298451546 is an abundant number, since it is smaller than the sum of its proper divisors (2035852518).

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

1298451546 is an equidigital number, since it uses as much as digits as its factorization.

1298451546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381697 (or 381685 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 1298451546 is about 36034.0331631085. The cubic root of 1298451546 is about 1090.9593848290.

The spelling of 1298451546 in words is "one billion, two hundred ninety-eight million, four hundred fifty-one thousand, five hundred forty-six".