1042542198 has 32 divisors (see below), whose sum is σ = 2438697600. Its totient is φ = 329223528.

The previous prime is 1042542197. The next prime is 1042542211. The reversal of 1042542198 is 8912452401.

1042542198 is a `hidden beast` number, since 1 + 0 + 425 + 42 + 198 = 666.

It is a super-2 number, since 2×1042542198² = 2173788469221342408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042542191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507036 + ... + 509087.

It is an arithmetic number, because the mean of its divisors is an integer number (76209300).

Almost surely, 2^1042542198 is an apocalyptic number.

1042542198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1042542198 is an abundant number, since it is smaller than the sum of its proper divisors (1396155402).

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

1042542198 is a wasteful number, since it uses less digits than its factorization.

1042542198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016153 (or 1016147 counting only the distinct ones).

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

The square root of 1042542198 is about 32288.4220425836. The cubic root of 1042542198 is about 1013.9842615113.

Adding to 1042542198 its reverse (8912452401), we get a palindrome (9954994599).

The spelling of 1042542198 in words is "one billion, forty-two million, five hundred forty-two thousand, one hundred ninety-eight".