1241423128 has 16 divisors (see below), whose sum is σ = 2539274760. Its totient is φ = 564283200.

The previous prime is 1241423107. The next prime is 1241423129. The reversal of 1241423128 is 8213241421.

It is a super-2 number, since 2×1241423128² = 3082262765466608768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1241423096 and 1241423105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241423129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7053453 + ... + 7053628.

Almost surely, 2^1241423128 is an apocalyptic number.

It is an amenable number.

1241423128 is an abundant number, since it is smaller than the sum of its proper divisors (1297851632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1241423128 is a wasteful number, since it uses less digits than its factorization.

1241423128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14107098 (or 14107094 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 1241423128 is about 35233.8349885447. The cubic root of 1241423128 is about 1074.7479136327.

Adding to 1241423128 its reverse (8213241421), we get a palindrome (9454664549).

The spelling of 1241423128 in words is "one billion, two hundred forty-one million, four hundred twenty-three thousand, one hundred twenty-eight".