1401240467 has 4 divisors (see below), whose sum is σ = 1528625976. Its totient is φ = 1273854960.

The previous prime is 1401240439. The next prime is 1401240493. The reversal of 1401240467 is 7640421041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7640421041 = 11 ⋅694583731.

It is a cyclic number.

It is not a de Polignac number, because 1401240467 - 2²⁴ = 1384463251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1401240427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63692738 + ... + 63692759.

It is an arithmetic number, because the mean of its divisors is an integer number (382156494).

Almost surely, 2^1401240467 is an apocalyptic number.

1401240467 is a deficient number, since it is larger than the sum of its proper divisors (127385509).

1401240467 is a wasteful number, since it uses less digits than its factorization.

1401240467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127385508.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1401240467 is about 37433.1466350346. The cubic root of 1401240467 is about 1119.0192485248.

The spelling of 1401240467 in words is "one billion, four hundred one million, two hundred forty thousand, four hundred sixty-seven".