1242267150 has 48 divisors (see below), whose sum is σ = 3084052608. Its totient is φ = 330924000.

The previous prime is 1242267149. The next prime is 1242267157. The reversal of 1242267150 is 517622421.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242267157) 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, 159855 + ... + 167445.

It is an arithmetic number, because the mean of its divisors is an integer number (64251096).

Almost surely, 2^1242267150 is an apocalyptic number.

1242267150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1242267150 is an abundant number, since it is smaller than the sum of its proper divisors (1841785458).

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

1242267150 is a wasteful number, since it uses less digits than its factorization.

1242267150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8697 (or 8692 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1242267150 is about 35245.8103893215. The cubic root of 1242267150 is about 1074.9914259276.

Adding to 1242267150 its reverse (517622421), we get a palindrome (1759889571).

The spelling of 1242267150 in words is "one billion, two hundred forty-two million, two hundred sixty-seven thousand, one hundred fifty".