1011243141 has 6 divisors (see below), whose sum is σ = 1460684550. Its totient is φ = 674162088.

The previous prime is 1011243133. The next prime is 1011243143. The reversal of 1011243141 is 1413421101.

It can be written as a sum of positive squares in only one way, i.e., 843670116 + 167573025 = 29046^2 + 12945^2 .

It is not a de Polignac number, because 1011243141 - 2³ = 1011243133 is a prime.

It is a super-2 number, since 2×1011243141² = 2045225380439091762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011243143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56180166 + ... + 56180183.

It is an arithmetic number, because the mean of its divisors is an integer number (243447425).

Almost surely, 2^1011243141 is an apocalyptic number.

It is an amenable number.

1011243141 is a deficient number, since it is larger than the sum of its proper divisors (449441409).

1011243141 is a wasteful number, since it uses less digits than its factorization.

1011243141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112360355 (or 112360352 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 1011243141 is about 31800.0493867541. The cubic root of 1011243141 is about 1003.7337553867.

Adding to 1011243141 its reverse (1413421101), we get a palindrome (2424664242).

The spelling of 1011243141 in words is "one billion, eleven million, two hundred forty-three thousand, one hundred forty-one".