1056419242 has 4 divisors (see below), whose sum is σ = 1584628866. Its totient is φ = 528209620.

The previous prime is 1056419213. The next prime is 1056419251. The reversal of 1056419242 is 2429146501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2429146501 = 71 ⋅34213331.

It can be written as a sum of positive squares in only one way, i.e., 751253281 + 305165961 = 27409^2 + 17469^2 .

It is a super-2 number, since 2×1056419242² = 2232043229735709128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056419198 and 1056419207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264104809 + ... + 264104812.

Almost surely, 2^1056419242 is an apocalyptic number.

1056419242 is a deficient number, since it is larger than the sum of its proper divisors (528209624).

1056419242 is an equidigital number, since it uses as much as digits as its factorization.

1056419242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528209623.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 1056419242 is about 32502.6036187872. The cubic root of 1056419242 is about 1018.4634181442.

The spelling of 1056419242 in words is "one billion, fifty-six million, four hundred nineteen thousand, two hundred forty-two".