1081370042 has 8 divisors (see below), whose sum is σ = 1623604500. Its totient is φ = 540168544.

The previous prime is 1081370011. The next prime is 1081370083. The reversal of 1081370042 is 2400731801.

It can be written as a sum of positive squares in 2 ways, for example, as 1001785801 + 79584241 = 31651^2 + 8921^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1081370042² = 2338722335470163528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1081369993 and 1081370020.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255617 + ... + 259812.

Almost surely, 2^1081370042 is an apocalyptic number.

1081370042 is a deficient number, since it is larger than the sum of its proper divisors (542234458).

1081370042 is a wasteful number, since it uses less digits than its factorization.

1081370042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516480.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 1081370042 is about 32884.1913691062. The cubic root of 1081370042 is about 1026.4192252154.

The spelling of 1081370042 in words is "one billion, eighty-one million, three hundred seventy thousand, forty-two".