1297377900150 has 36 divisors (see below), whose sum is σ = 3217531789116. Its totient is φ = 345963720000.

The previous prime is 1297377900131. The next prime is 1297377900151. The reversal of 1297377900150 is 510097737921.

It is a junction number, because it is equal to n+sod(n) for n = 1297377900093 and 1297377900102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297377900151) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13903650 + ... + 13996650.

It is an arithmetic number, because the mean of its divisors is an integer number (89375883031).

Almost surely, 2^{1297377900150} is an apocalyptic number.

1297377900150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1297377900150 is an abundant number, since it is smaller than the sum of its proper divisors (1920153888966).

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

1297377900150 is an frugal number, since it uses more digits than its factorization.

1297377900150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186017 (or 93011 counting only the distinct ones).

The product of its (nonzero) digits is 833490, while the sum is 51.

The spelling of 1297377900150 in words is "one trillion, two hundred ninety-seven billion, three hundred seventy-seven million, nine hundred thousand, one hundred fifty".