1550131242 has 24 divisors (see below), whose sum is σ = 3407728128. Its totient is φ = 469736520.

The previous prime is 1550131237. The next prime is 1550131267. The reversal of 1550131242 is 2421310551.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1066858 + ... + 1068309.

It is an arithmetic number, because the mean of its divisors is an integer number (141988672).

Almost surely, 2^1550131242 is an apocalyptic number.

1550131242 is an abundant number, since it is smaller than the sum of its proper divisors (1857596886).

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

1550131242 is a wasteful number, since it uses less digits than its factorization.

1550131242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135194 (or 2135183 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1550131242 is about 39371.7061098449. The cubic root of 1550131242 is about 1157.3271899214.

Adding to 1550131242 its reverse (2421310551), we get a palindrome (3971441793).

The spelling of 1550131242 in words is "one billion, five hundred fifty million, one hundred thirty-one thousand, two hundred forty-two".