127073780450 has 12 divisors (see below), whose sum is σ = 236357231730. Its totient is φ = 50829512160.

The previous prime is 127073780429. The next prime is 127073780473. The reversal of 127073780450 is 54087370721.

It can be written as a sum of positive squares in 3 ways, for example, as 123659832409 + 3413948041 = 351653^2 + 58429^2 .

It is a super-2 number, since 2×127073780450² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1270737755 + ... + 1270737854.

Almost surely, 2^127073780450 is an apocalyptic number.

127073780450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127073780450 is a deficient number, since it is larger than the sum of its proper divisors (109283451280).

127073780450 is a wasteful number, since it uses less digits than its factorization.

127073780450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2541475621 (or 2541475616 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 44.

The spelling of 127073780450 in words is "one hundred twenty-seven billion, seventy-three million, seven hundred eighty thousand, four hundred fifty".