123747761284 has 27 divisors (see below), whose sum is σ = 251925111543. Its totient is φ = 53032644168.

The previous prime is 123747761201. The next prime is 123747761341. The reversal of 123747761284 is 482167747321.

The square root of 123747761284 is 351778.

It is a perfect power (a square), and thus also a powerful number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4912329 + ... + 4937455.

Almost surely, 2^123747761284 is an apocalyptic number.

123747761284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

123747761284 is the 351778-th square number.

It is an amenable number.

123747761284 is an abundant number, since it is smaller than the sum of its proper divisors (128177350259).

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

123747761284 is an frugal number, since it uses more digits than its factorization.

123747761284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50272 (or 25136 counting only the distinct ones).

The product of its digits is 3161088, while the sum is 52.

The spelling of 123747761284 in words is "one hundred twenty-three billion, seven hundred forty-seven million, seven hundred sixty-one thousand, two hundred eighty-four".