1266057332 has 6 divisors (see below), whose sum is σ = 2215600338. Its totient is φ = 633028664.

The previous prime is 1266057319. The next prime is 1266057347. The reversal of 1266057332 is 2337506621.

It can be written as a sum of positive squares in only one way, i.e., 1078202896 + 187854436 = 32836^2 + 13706^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1266057292 and 1266057301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158257163 + ... + 158257170.

It is an arithmetic number, because the mean of its divisors is an integer number (369266723).

Almost surely, 2^1266057332 is an apocalyptic number.

It is an amenable number.

1266057332 is a deficient number, since it is larger than the sum of its proper divisors (949543006).

1266057332 is a wasteful number, since it uses less digits than its factorization.

1266057332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316514337 (or 316514335 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 1266057332 is about 35581.6993973025. The cubic root of 1266057332 is about 1081.8103302552.

Subtracting 1266057332 from its reverse (2337506621), we obtain a square (1071449289 = 32733²).

The spelling of 1266057332 in words is "one billion, two hundred sixty-six million, fifty-seven thousand, three hundred thirty-two".