1012542498 has 128 divisors (see below), whose sum is σ = 2519424000. Its totient is φ = 298869120.

The previous prime is 1012542497. The next prime is 1012542523. The reversal of 1012542498 is 8942452101.

1012542498 is a `hidden beast` number, since 1 + 0 + 125 + 42 + 498 = 666.

It is not an unprimeable number, because it can be changed into a prime (1012542497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5656573 + ... + 5656751.

It is an arithmetic number, because the mean of its divisors is an integer number (19683000).

Almost surely, 2^1012542498 is an apocalyptic number.

1012542498 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 1012542498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259712000).

1012542498 is an abundant number, since it is smaller than the sum of its proper divisors (1506881502).

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

1012542498 is a wasteful number, since it uses less digits than its factorization.

1012542498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1012542498 is about 31820.4729380316. The cubic root of 1012542498 is about 1004.1634740929.

Adding to 1012542498 its reverse (8942452101), we get a palindrome (9954994599).

The spelling of 1012542498 in words is "one billion, twelve million, five hundred forty-two thousand, four hundred ninety-eight".