1124252142 has 64 divisors (see below), whose sum is σ = 2457967680. Its totient is φ = 340752384.

The previous prime is 1124252137. The next prime is 1124252147. The reversal of 1124252142 is 2412524211.

It is an interprime number because it is at equal distance from previous prime (1124252137) and next prime (1124252147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1124252147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2018128 + ... + 2018684.

It is an arithmetic number, because the mean of its divisors is an integer number (38405745).

Almost surely, 2^1124252142 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1124252142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228983840).

1124252142 is an abundant number, since it is smaller than the sum of its proper divisors (1333715538).

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

1124252142 is a wasteful number, since it uses less digits than its factorization.

1124252142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917.

The product of its digits is 1280, while the sum is 24.

The square root of 1124252142 is about 33529.8694002825. The cubic root of 1124252142 is about 1039.8114000951.

Adding to 1124252142 its reverse (2412524211), we get a palindrome (3536776353).

The spelling of 1124252142 in words is "one billion, one hundred twenty-four million, two hundred fifty-two thousand, one hundred forty-two".