1248699141 has 12 divisors (see below), whose sum is σ = 1882097568. Its totient is φ = 796271784.

The previous prime is 1248699131. The next prime is 1248699173. The reversal of 1248699141 is 1419968421.

It is a happy number.

It is not a de Polignac number, because 1248699141 - 2⁶ = 1248699077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248699121) 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, 3015975 + ... + 3016388.

It is an arithmetic number, because the mean of its divisors is an integer number (156841464).

Almost surely, 2^1248699141 is an apocalyptic number.

It is an amenable number.

1248699141 is a deficient number, since it is larger than the sum of its proper divisors (633398427).

1248699141 is a wasteful number, since it uses less digits than its factorization.

1248699141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6032392 (or 6032389 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 1248699141 is about 35336.9373460689. The cubic root of 1248699141 is about 1076.8435332114.

The spelling of 1248699141 in words is "one billion, two hundred forty-eight million, six hundred ninety-nine thousand, one hundred forty-one".