1425977 has 16 divisors (see below), whose sum is σ = 1804032. Its totient is φ = 1098240.

The previous prime is 1425973. The next prime is 1426003. The reversal of 1425977 is 7795241.

It is a cyclic number.

It is not a de Polignac number, because 1425977 - 2² = 1425973 is a prime.

It is a d-powerful number, because it can be written as 1 + 4 + 2¹⁹ + 5⁷ + 9 + 7 + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1425973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2477 + ... + 2997.

It is an arithmetic number, because the mean of its divisors is an integer number (112752).

2^1425977 is an apocalyptic number.

1425977 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1425977 is a deficient number, since it is larger than the sum of its proper divisors (378055).

1425977 is a wasteful number, since it uses less digits than its factorization.

1425977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568.

The product of its digits is 17640, while the sum is 35.

The square root of 1425977 is about 1194.1427887820. The cubic root of 1425977 is about 112.5565674367.

The spelling of 1425977 in words is "one million, four hundred twenty-five thousand, nine hundred seventy-seven".