1123002506146 has 4 divisors (see below), whose sum is σ = 1684503759222. Its totient is φ = 561501253072.

The previous prime is 1123002506117. The next prime is 1123002506147. The reversal of 1123002506146 is 6416052003211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1117225746121 + 5776760025 = 1056989^2 + 76005^2 .

It is a super-2 number, since 2×1123002506146² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1123002506147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280750626535 + ... + 280750626538.

Almost surely, 2^{1123002506146} is an apocalyptic number.

1123002506146 is a deficient number, since it is larger than the sum of its proper divisors (561501253076).

1123002506146 is an equidigital number, since it uses as much as digits as its factorization.

1123002506146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561501253075.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 1123002506146 its reverse (6416052003211), we get a palindrome (7539054509357).

The spelling of 1123002506146 in words is "one trillion, one hundred twenty-three billion, two million, five hundred six thousand, one hundred forty-six".