542121477 has 16 divisors (see below), whose sum is σ = 754835328. Its totient is φ = 345435200.

The previous prime is 542121473. The next prime is 542121479. The reversal of 542121477 is 774121245.

It is a cyclic number.

It is not a de Polignac number, because 542121477 - 2² = 542121473 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (542121473) 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, 129103 + ... + 133235.

It is an arithmetic number, because the mean of its divisors is an integer number (47177208).

Almost surely, 2^542121477 is an apocalyptic number.

It is an amenable number.

542121477 is a deficient number, since it is larger than the sum of its proper divisors (212713851).

542121477 is a wasteful number, since it uses less digits than its factorization.

542121477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6060.

The product of its digits is 15680, while the sum is 33.

The square root of 542121477 is about 23283.5022494469. The cubic root of 542121477 is about 815.3902941999.

The spelling of 542121477 in words is "five hundred forty-two million, one hundred twenty-one thousand, four hundred seventy-seven".