1401975 has 48 divisors (see below), whose sum is σ = 2698240. Its totient is φ = 712800.

The previous prime is 1401971. The next prime is 1401977. The reversal of 1401975 is 5791041.

1401975 is a nontrivial binomial coefficient, being equal to C(1675, 2).

It is not a de Polignac number, because 1401975 - 2² = 1401971 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20892 + ... + 20958.

2^1401975 is an apocalyptic number.

1401975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1401975 is the 1674-th triangular number.

1401975 is a deficient number, since it is larger than the sum of its proper divisors (1296265).

1401975 is a wasteful number, since it uses less digits than its factorization.

1401975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 1401975 is about 1184.0502523120. The cubic root of 1401975 is about 111.9214745064.

The spelling of 1401975 in words is "one million, four hundred one thousand, nine hundred seventy-five".