1242677700 has 216 divisors, whose sum is σ = 4407530400. Its totient is φ = 301190400.

The previous prime is 1242677629. The next prime is 1242677789. The reversal of 1242677700 is 77762421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 264976 + ... + 269624.

Almost surely, 2^1242677700 is an apocalyptic number.

1242677700 is a gapful number since it is divisible by the number (10) 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 1242677700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2203765200).

1242677700 is an abundant number, since it is smaller than the sum of its proper divisors (3164852700).

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

1242677700 is a wasteful number, since it uses less digits than its factorization.

1242677700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689 (or 4670 counting only the distinct ones).

The product of its (nonzero) digits is 32928, while the sum is 36.

The square root of 1242677700 is about 35251.6340046813. The cubic root of 1242677700 is about 1075.1098355415.

The spelling of 1242677700 in words is "one billion, two hundred forty-two million, six hundred seventy-seven thousand, seven hundred".