1400101248 has 256 divisors, whose sum is σ = 4633574400. Its totient is φ = 364732416.

The previous prime is 1400101231. The next prime is 1400101253. The reversal of 1400101248 is 8421010041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3599038 + ... + 3599426.

It is an arithmetic number, because the mean of its divisors is an integer number (18099900).

Almost surely, 2^1400101248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1400101248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2316787200).

1400101248 is an abundant number, since it is smaller than the sum of its proper divisors (3233473152).

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

1400101248 is a wasteful number, since it uses less digits than its factorization.

1400101248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529 (or 517 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1400101248 is about 37417.9268265894. The cubic root of 1400101248 is about 1118.7159092927.

Adding to 1400101248 its reverse (8421010041), we get a palindrome (9821111289).

The spelling of 1400101248 in words is "one billion, four hundred million, one hundred one thousand, two hundred forty-eight".