1012276945 has 32 divisors (see below), whose sum is σ = 1287705600. Its totient is φ = 762827520.

The previous prime is 1012276907. The next prime is 1012276949. The reversal of 1012276945 is 5496722101.

It is not a de Polignac number, because 1012276945 - 2¹³ = 1012268753 is a prime.

It is a super-2 number, since 2×1012276945² = 2049409226757066050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1012276949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1223622 + ... + 1224448.

It is an arithmetic number, because the mean of its divisors is an integer number (40240800).

Almost surely, 2^1012276945 is an apocalyptic number.

It is an amenable number.

1012276945 is a deficient number, since it is larger than the sum of its proper divisors (275428655).

1012276945 is a wasteful number, since it uses less digits than its factorization.

1012276945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 1012276945 is about 31816.2999891565. The cubic root of 1012276945 is about 1004.0756812550.

Subtracting 1012276945 from its reverse (5496722101), we obtain a square (4484445156 = 66966²).

The spelling of 1012276945 in words is "one billion, twelve million, two hundred seventy-six thousand, nine hundred forty-five".