1042134819 has 32 divisors (see below), whose sum is σ = 1598150400. Its totient is φ = 597404160.

The previous prime is 1042134811. The next prime is 1042134827. The reversal of 1042134819 is 9184312401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1042134811) and next prime (1042134827).

It is not a de Polignac number, because 1042134819 - 2³ = 1042134811 is a prime.

It is a super-2 number, since 2×1042134819² = 2172089961944325522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 1042134819.

It is not an unprimeable number, because it can be changed into a prime (1042134811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 646887 + ... + 648495.

It is an arithmetic number, because the mean of its divisors is an integer number (49942200).

Almost surely, 2^1042134819 is an apocalyptic number.

1042134819 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1042134819 is a deficient number, since it is larger than the sum of its proper divisors (556015581).

1042134819 is a wasteful number, since it uses less digits than its factorization.

1042134819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1042134819 is about 32282.1129884647. The cubic root of 1042134819 is about 1013.8521710274.

The spelling of 1042134819 in words is "one billion, forty-two million, one hundred thirty-four thousand, eight hundred nineteen".