1042196453 has 4 divisors (see below), whose sum is σ = 1042286700. Its totient is φ = 1042106208.

The previous prime is 1042196437. The next prime is 1042196483. The reversal of 1042196453 is 3546912401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3546912401 = 5879 ⋅603319.

It can be written as a sum of positive squares in 2 ways, for example, as 558944164 + 483252289 = 23642^2 + 21983^2 .

It is a cyclic number.

It is not a de Polignac number, because 1042196453 - 2⁴ = 1042196437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042196483) 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 3 ways as a sum of consecutive naturals, for example, 24728 + ... + 51921.

It is an arithmetic number, because the mean of its divisors is an integer number (260571675).

Almost surely, 2^1042196453 is an apocalyptic number.

It is an amenable number.

1042196453 is a deficient number, since it is larger than the sum of its proper divisors (90247).

1042196453 is an equidigital number, since it uses as much as digits as its factorization.

1042196453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90246.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 1042196453 is about 32283.0675896824. The cubic root of 1042196453 is about 1013.8721577354.

The spelling of 1042196453 in words is "one billion, forty-two million, one hundred ninety-six thousand, four hundred fifty-three".