1421269275 has 24 divisors (see below), whose sum is σ = 2488059504. Its totient is φ = 713420800.

The previous prime is 1421269259. The next prime is 1421269279. The reversal of 1421269275 is 5729621241.

It is not a de Polignac number, because 1421269275 - 2⁴ = 1421269259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421269279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 556086 + ... + 558635.

It is an arithmetic number, because the mean of its divisors is an integer number (103669146).

Almost surely, 2^1421269275 is an apocalyptic number.

1421269275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1421269275 is a deficient number, since it is larger than the sum of its proper divisors (1066790229).

1421269275 is a wasteful number, since it uses less digits than its factorization.

1421269275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114751 (or 1114746 counting only the distinct ones).

The product of its digits is 60480, while the sum is 39.

The square root of 1421269275 is about 37699.7251316240. The cubic root of 1421269275 is about 1124.3256600700.

The spelling of 1421269275 in words is "one billion, four hundred twenty-one million, two hundred sixty-nine thousand, two hundred seventy-five".