1251342441 has 12 divisors (see below), whose sum is σ = 1849529968. Its totient is φ = 814827384.

The previous prime is 1251342437. The next prime is 1251342457. The reversal of 1251342441 is 1442431521.

It is not a de Polignac number, because 1251342441 - 2² = 1251342437 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1251342401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1616335 + ... + 1617108.

Almost surely, 2^1251342441 is an apocalyptic number.

It is an amenable number.

1251342441 is a deficient number, since it is larger than the sum of its proper divisors (598187527).

1251342441 is a wasteful number, since it uses less digits than its factorization.

1251342441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233492 (or 3233489 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1251342441 is about 35374.3189475077. The cubic root of 1251342441 is about 1077.6028339112.

Adding to 1251342441 its reverse (1442431521), we get a palindrome (2693773962).

The spelling of 1251342441 in words is "one billion, two hundred fifty-one million, three hundred forty-two thousand, four hundred forty-one".