1242150976 has 112 divisors (see below), whose sum is σ = 2828422080. Its totient is φ = 536094720.

The previous prime is 1242150947. The next prime is 1242150977. The reversal of 1242150976 is 6790512421.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (1242150977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1119510 + ... + 1120618.

Almost surely, 2^1242150976 is an apocalyptic number.

1242150976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242150976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1414211040).

1242150976 is an abundant number, since it is smaller than the sum of its proper divisors (1586271104).

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

1242150976 is a wasteful number, since it uses less digits than its factorization.

1242150976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1212 (or 1202 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1242150976 is about 35244.1622967549. The cubic root of 1242150976 is about 1074.9579146315.

The spelling of 1242150976 in words is "one billion, two hundred forty-two million, one hundred fifty thousand, nine hundred seventy-six".