1242631150 has 48 divisors (see below), whose sum is σ = 2531690640. Its totient is φ = 451673600.

The previous prime is 1242631127. The next prime is 1242631153. The reversal of 1242631150 is 511362421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242631153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556 + ... + 49855.

It is an arithmetic number, because the mean of its divisors is an integer number (52743555).

Almost surely, 2^1242631150 is an apocalyptic number.

1242631150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242631150 is an abundant number, since it is smaller than the sum of its proper divisors (1289059490).

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

1242631150 is a wasteful number, since it uses less digits than its factorization.

1242631150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50469 (or 50464 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1242631150 is about 35250.9737454159. The cubic root of 1242631150 is about 1075.0964110395.

Adding to 1242631150 its reverse (511362421), we get a palindrome (1753993571).

The spelling of 1242631150 in words is "one billion, two hundred forty-two million, six hundred thirty-one thousand, one hundred fifty".