1266152452 has 12 divisors (see below), whose sum is σ = 2346106140. Its totient is φ = 595836416.

The previous prime is 1266152353. The next prime is 1266152453. The reversal of 1266152452 is 2542516621.

It can be written as a sum of positive squares in 2 ways, for example, as 814759936 + 451392516 = 28544^2 + 21246^2 .

It is a super-2 number, since 2×1266152452² = 3206284063411224608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1266152453) 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, 9309877 + ... + 9310012.

It is an arithmetic number, because the mean of its divisors is an integer number (195508845).

Almost surely, 2^1266152452 is an apocalyptic number.

It is an amenable number.

1266152452 is a deficient number, since it is larger than the sum of its proper divisors (1079953688).

1266152452 is a wasteful number, since it uses less digits than its factorization.

1266152452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18619910 (or 18619908 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The square root of 1266152452 is about 35583.0360143707. The cubic root of 1266152452 is about 1081.8374220304.

The spelling of 1266152452 in words is "one billion, two hundred sixty-six million, one hundred fifty-two thousand, four hundred fifty-two".