1253162898 has 96 divisors (see below), whose sum is σ = 3113510400. Its totient is φ = 361075968.

The previous prime is 1253162893. The next prime is 1253162903. The reversal of 1253162898 is 8982613521.

1253162898 is a `hidden beast` number, since 1 + 2 + 531 + 6 + 28 + 98 = 666.

It is an interprime number because it is at equal distance from previous prime (1253162893) and next prime (1253162903).

It is not an unprimeable number, because it can be changed into a prime (1253162893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 394111 + ... + 397277.

It is an arithmetic number, because the mean of its divisors is an integer number (32432400).

Almost surely, 2^1253162898 is an apocalyptic number.

1253162898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1253162898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1556755200).

1253162898 is an abundant number, since it is smaller than the sum of its proper divisors (1860347502).

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

1253162898 is a wasteful number, since it uses less digits than its factorization.

1253162898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3296 (or 3293 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 1253162898 is about 35400.0409321797. The cubic root of 1253162898 is about 1078.1251473925.

The spelling of 1253162898 in words is "one billion, two hundred fifty-three million, one hundred sixty-two thousand, eight hundred ninety-eight".