1297955055 has 16 divisors (see below), whose sum is σ = 2120914944. Its totient is φ = 677513760.

The previous prime is 1297955053. The next prime is 1297955143. The reversal of 1297955055 is 5505597921.

It is not a de Polignac number, because 1297955055 - 2¹ = 1297955053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1297954995 and 1297955013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297955051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 919831 + ... + 921240.

It is an arithmetic number, because the mean of its divisors is an integer number (132557184).

Almost surely, 2^1297955055 is an apocalyptic number.

1297955055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1297955055 is a deficient number, since it is larger than the sum of its proper divisors (822959889).

1297955055 is a wasteful number, since it uses less digits than its factorization.

1297955055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1841126.

The product of its (nonzero) digits is 708750, while the sum is 48.

The square root of 1297955055 is about 36027.1433088997. The cubic root of 1297955055 is about 1090.8203164724.

The spelling of 1297955055 in words is "one billion, two hundred ninety-seven million, nine hundred fifty-five thousand, fifty-five".