1275040052 has 96 divisors (see below), whose sum is σ = 2896798464. Its totient is φ = 481536000.

The previous prime is 1275040021. The next prime is 1275040057. The reversal of 1275040052 is 2500405721.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1275040057) 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, 220802 + ... + 226502.

It is an arithmetic number, because the mean of its divisors is an integer number (30174984).

Almost surely, 2^1275040052 is an apocalyptic number.

It is an amenable number.

1275040052 is an abundant number, since it is smaller than the sum of its proper divisors (1621758412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1275040052 is a wasteful number, since it uses less digits than its factorization.

1275040052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769 (or 5767 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 1275040052 is about 35707.7029784891. The cubic root of 1275040052 is about 1084.3627968706.

Adding to 1275040052 its reverse (2500405721), we get a palindrome (3775445773).

The spelling of 1275040052 in words is "one billion, two hundred seventy-five million, forty thousand, fifty-two".