1407225287 has 8 divisors (see below), whose sum is σ = 1540318080. Its totient is φ = 1277681760.

The previous prime is 1407225283. The next prime is 1407225289. The reversal of 1407225287 is 7825227041.

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

It is a cyclic number.

It is not a de Polignac number, because 1407225287 - 2² = 1407225283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1407225287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407225283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886487 + ... + 888072.

It is an arithmetic number, because the mean of its divisors is an integer number (192539760).

Almost surely, 2^1407225287 is an apocalyptic number.

1407225287 is a deficient number, since it is larger than the sum of its proper divisors (133092793).

1407225287 is a wasteful number, since it uses less digits than its factorization.

1407225287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1774633.

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 1407225287 is about 37513.0015727881. The cubic root of 1407225287 is about 1120.6101286112.

The spelling of 1407225287 in words is "one billion, four hundred seven million, two hundred twenty-five thousand, two hundred eighty-seven".