1283146995 has 48 divisors (see below), whose sum is σ = 2348771040. Its totient is φ = 594518016.

The previous prime is 1283146967. The next prime is 1283146999. The reversal of 1283146995 is 5996413821.

It is not a de Polignac number, because 1283146995 - 2¹⁰ = 1283145971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1283146999) 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 47 ways as a sum of consecutive naturals, for example, 44971 + ... + 67739.

It is an arithmetic number, because the mean of its divisors is an integer number (48932730).

Almost surely, 2^1283146995 is an apocalyptic number.

1283146995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1283146995 is a deficient number, since it is larger than the sum of its proper divisors (1065624045).

1283146995 is a wasteful number, since it uses less digits than its factorization.

1283146995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22824 (or 22807 counting only the distinct ones).

The product of its digits is 466560, while the sum is 48.

The square root of 1283146995 is about 35821.0412327727. The cubic root of 1283146995 is about 1086.6561370106.

The spelling of 1283146995 in words is "one billion, two hundred eighty-three million, one hundred forty-six thousand, nine hundred ninety-five".