1401249237 has 8 divisors (see below), whose sum is σ = 1918827936. Its totient is φ = 908918352.

The previous prime is 1401249167. The next prime is 1401249247. The reversal of 1401249237 is 7329421041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1401249237 - 2¹⁵ = 1401216469 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1401249198 and 1401249207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401249247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6311823 + ... + 6312044.

It is an arithmetic number, because the mean of its divisors is an integer number (239853492).

Almost surely, 2^1401249237 is an apocalyptic number.

It is an amenable number.

1401249237 is a deficient number, since it is larger than the sum of its proper divisors (517578699).

1401249237 is a wasteful number, since it uses less digits than its factorization.

1401249237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12623907.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1401249237 is about 37433.2637770206. The cubic root of 1401249237 is about 1119.0215830702.

The spelling of 1401249237 in words is "one billion, four hundred one million, two hundred forty-nine thousand, two hundred thirty-seven".