1071203573138 has 8 divisors (see below), whose sum is σ = 1645995734460. Its totient is φ = 522538328320.

The previous prime is 1071203573119. The next prime is 1071203573171. The reversal of 1071203573138 is 8313753021701.

It can be written as a sum of positive squares in 2 ways, for example, as 1045389688249 + 25813884889 = 1022443^2 + 160667^2 .

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

It is a super-2 number, since 2×1071203573138² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a junction number, because it is equal to n+sod(n) for n = 1071203573095 and 1071203573104.

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, 6531729023 + ... + 6531729186.

Almost surely, 2^{1071203573138} is an apocalyptic number.

1071203573138 is a deficient number, since it is larger than the sum of its proper divisors (574792161322).

1071203573138 is a wasteful number, since it uses less digits than its factorization.

1071203573138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13063458252.

The product of its (nonzero) digits is 105840, while the sum is 41.

Adding to 1071203573138 its reverse (8313753021701), we get a palindrome (9384956594839).

The spelling of 1071203573138 in words is "one trillion, seventy-one billion, two hundred three million, five hundred seventy-three thousand, one hundred thirty-eight".