1141246040 has 128 divisors (see below), whose sum is σ = 2982251520. Its totient is φ = 388454400.

The previous prime is 1141246037. The next prime is 1141246063. The reversal of 1141246040 is 406421411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1141245997 and 1141246015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2026799 + ... + 2027361.

It is an arithmetic number, because the mean of its divisors is an integer number (23298840).

Almost surely, 2^1141246040 is an apocalyptic number.

1141246040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141246040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491125760).

1141246040 is an abundant number, since it is smaller than the sum of its proper divisors (1841005480).

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

1141246040 is a wasteful number, since it uses less digits than its factorization.

1141246040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 869 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1141246040 is about 33782.3332527521. Note that the first 3 decimals coincide. The cubic root of 1141246040 is about 1045.0243929503.

Adding to 1141246040 its reverse (406421411), we get a palindrome (1547667451).

The spelling of 1141246040 in words is "one billion, one hundred forty-one million, two hundred forty-six thousand, forty".