1260005970 has 16 divisors (see below), whose sum is σ = 3024014400. Its totient is φ = 336001584.

The previous prime is 1260005921. The next prime is 1260005977. The reversal of 1260005970 is 795000621.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 42000199 = 1260005970 / (1 + 2 + 6 + 0 + 0 + 0 + 5 + 9 + 7 + 0).

It is not an unprimeable number, because it can be changed into a prime (1260005977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21000070 + ... + 21000129.

It is an arithmetic number, because the mean of its divisors is an integer number (189000900).

Almost surely, 2^1260005970 is an apocalyptic number.

1260005970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1260005970 is an abundant number, since it is smaller than the sum of its proper divisors (1764008430).

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

1260005970 is a wasteful number, since it uses less digits than its factorization.

1260005970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42000209.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 1260005970 is about 35496.5627913464. The cubic root of 1260005970 is about 1080.0840040969.

The spelling of 1260005970 in words is "one billion, two hundred sixty million, five thousand, nine hundred seventy".