1262552051 has 4 divisors (see below), whose sum is σ = 1273725192. Its totient is φ = 1251378912.

The previous prime is 1262552021. The next prime is 1262552059. The reversal of 1262552051 is 1502552621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1502552621 = 127 ⋅11831123.

It is a cyclic number.

It is not a de Polignac number, because 1262552051 - 2⁶ = 1262551987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1262552059) 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, 5586401 + ... + 5586626.

It is an arithmetic number, because the mean of its divisors is an integer number (318431298).

Almost surely, 2^1262552051 is an apocalyptic number.

1262552051 is a deficient number, since it is larger than the sum of its proper divisors (11173141).

1262552051 is a wasteful number, since it uses less digits than its factorization.

1262552051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11173140.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 1262552051 is about 35532.4084604464. The cubic root of 1262552051 is about 1080.8110194754.

The spelling of 1262552051 in words is "one billion, two hundred sixty-two million, five hundred fifty-two thousand, fifty-one".