1042400419 has 2 divisors, whose sum is σ = 1042400420. Its totient is φ = 1042400418.

The previous prime is 1042400399. The next prime is 1042400431. The reversal of 1042400419 is 9140042401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1042400419 - 2⁷ = 1042400291 is a prime.

It is a super-2 number, since 2×1042400419² = 2173197267062751122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1042400393 and 1042400402.

It is not a weakly prime, because it can be changed into another prime (1042400459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521200209 + 521200210.

It is an arithmetic number, because the mean of its divisors is an integer number (521200210).

Almost surely, 2^1042400419 is an apocalyptic number.

1042400419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042400419 is an equidigital number, since it uses as much as digits as its factorization.

1042400419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1042400419 is about 32286.2264595911. The cubic root of 1042400419 is about 1013.9382943257.

The spelling of 1042400419 in words is "one billion, forty-two million, four hundred thousand, four hundred nineteen".