1276988470 has 8 divisors (see below), whose sum is σ = 2298579264. Its totient is φ = 510795384.

The previous prime is 1276988459. The next prime is 1276988477. The reversal of 1276988470 is 748896721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1276988477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63849414 + ... + 63849433.

It is an arithmetic number, because the mean of its divisors is an integer number (287322408).

Almost surely, 2^1276988470 is an apocalyptic number.

1276988470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1276988470 is a deficient number, since it is larger than the sum of its proper divisors (1021590794).

1276988470 is a wasteful number, since it uses less digits than its factorization.

1276988470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127698854.

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 1276988470 is about 35734.9754442339. The cubic root of 1276988470 is about 1084.9148623265.

The spelling of 1276988470 in words is "one billion, two hundred seventy-six million, nine hundred eighty-eight thousand, four hundred seventy".